The Musée Cernuschi ( French pronunciation: [myze tʃɛʁnuski] ; 'Cernuschi Museum'), officially also the Musée des arts de l'Asie de la Ville de Paris ('Asian Arts Museum of the City of Paris'), is an Asian art museum located at 7 avenue Vélasquez, near Parc Monceau , in Paris , France . Its Asian art collection is second in Paris only to that of the Musée Guimet .
131-505: The nearest Paris Métro stops to the museum are Villiers or Monceau on Line 2 . The museum was founded in 1898 by Henri Cernuschi (1821–1896) in the mansion that used to be his home. It describes itself as the second-oldest Asian art museum in France, and the fifth-oldest Chinese art museum in Europe. Following a major renovation project from 2001 to 2005, during which the museum
262-659: A Neutrality Pact in April 1941, and Japan adopted the doctrine of Nanshin-ron , promoted by the Navy, which took its focus southward and eventually led to war with the United States and the Western Allies. In Europe, Germany and Italy were becoming more aggressive. In March 1938, Germany annexed Austria , again provoking little response from other European powers. Encouraged, Hitler began pressing German claims on
393-578: A cautious French probe into the Saarland . The Western Allies also began a naval blockade of Germany , which aimed to damage the country's economy and war effort. Germany responded by ordering U-boat warfare against Allied merchant and warships, which would later escalate into the Battle of the Atlantic . On 8 September, German troops reached the suburbs of Warsaw . The Polish counter-offensive to
524-537: A merger of Line 3bis and Line 7bis , Line 12 , as well as a new proposed Line 19 in the city's outer suburbs. Besides the Métro, central Paris and its urban area are served by five RER lines (602 km or 374 mi with 257 stations), fourteen tramway lines (186.6 km or 115.9 mi with 278 stations), nine Transilien suburban trains (1,299 km or 807 mi with 392 stations), in addition to three VAL lines at Charles de Gaulle Airport and Orly Airport , making Paris one of
655-452: A 20 meters (65 ft 7 in)-wide railroad. The last remaining hurdle was the city's concern about national interference in its urban rail system. The city commissioned renowned engineer Jean-Baptiste Berlier , who designed Paris' postal network of pneumatic tubes, to design and plan its rail system in the early 1890s. Berlier recommended a special track gauge of 1,300 mm ( 4 ft 3 + 3 ⁄ 16 in ) (versus
786-595: A common designation and brand name for rapid transit systems in France and in many cities elsewhere. The Métro is operated by the Régie autonome des transports parisiens (RATP), a public transport authority that also operates part of the RER network, light rail lines and many bus routes. The name Métro was adopted in many languages, making it the most used word for a (generally underground) urban transit system. "Compagnie du chemin de fer métropolitain" may have been adapted from
917-473: A compromise with the state. On 20 April 1896, Paris adopted the Fulgence Bienvenüe project, which was to serve only the city proper of Paris. Many Parisians worried that extending lines to industrial suburbs would reduce the safety of the city. Paris forbade lines to the inner suburbs and, as a guarantee, Métro trains were to run on the right, as opposed to existing suburban lines, which ran on
1048-537: A large number of omnibus lines, consolidated by the French government into a regulated system with fixed and unconflicting routes and schedules. The first concrete proposal for an urban rail system in Paris was put forward by civil engineer Florence de Kérizouet. This plan called for a surface cable car system. In 1855, civil engineers Edouard Brame and Eugène Flachat proposed an underground freight urban railroad, due to
1179-405: A massive impact on the Métro. Services were limited and many stations closed. The risk of bombing meant the service between Place d'Italie and Étoile was transferred from Line 5 to Line 6, so that most of the elevated portions of the Métro would be on Line 6. As a result, Lines 2 and 6 now form a circle. Most stations were too shallow to be used as bomb shelters. The French Resistance used
1310-468: A new underground network, whereas the Parisians favoured a new and independent network and feared national takeover of any system it built. The disagreement lasted from 1856 to 1890. Meanwhile, the population became denser and traffic congestion grew massively. The deadlock put pressure on the authorities and gave the city the green light. Prior to 1845, the urban transport network consisted primarily of
1441-562: A premium paid alternative offer proposed for a faster internet connection. As of 2020, the entire RATP network was connected with 4G service, including within tunnels. The automated Line 1 , Line 4 and Line 14 – as well as some congested stations on Line 13 – have platform edge doors ('porte palière') separating the tracks from the platform. The vast majority of Métro stations are not accessible to all. The 20 stations of Line 14 (which first opened in 1998) are fully accessible, and all line extensions since 1992 have included lifts at
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#17327902752091572-524: A pretext to initiate the invasion. The first German attack of the war came against the Polish defences at Westerplatte . The United Kingdom responded with an ultimatum for Germany to cease military operations, and on 3 September, after the ultimatum was ignored, Britain and France declared war on Germany. During the Phoney War period, the alliance provided no direct military support to Poland, outside of
1703-781: A pretext to worsen relations. On 29 August, Hitler demanded that a Polish plenipotentiary immediately travel to Berlin to negotiate the handover of Danzig , and to allow a plebiscite in the Polish Corridor in which the German minority would vote on secession. The Poles refused to comply with the German demands, and on the night of 30–31 August in a confrontational meeting with the British ambassador Nevile Henderson , Ribbentrop declared that Germany considered its claims rejected. On 1 September 1939, Germany invaded Poland after having staged several false flag border incidents as
1834-475: A secret protocol that defined German and Soviet "spheres of influence" (western Poland and Lithuania for Germany; eastern Poland , Finland, Estonia , Latvia and Bessarabia for the Soviet Union), and raised the question of continuing Polish independence. The pact neutralised the possibility of Soviet opposition to a campaign against Poland and assured that Germany would not have to face the prospect of
1965-569: A serious debate occurred over whether the new system should consist of elevated lines or of mostly underground lines; this debate involved numerous parties in France, including Victor Hugo , Guy de Maupassant , and the Eiffel Society of Gustave Eiffel , and continued until 1892. Eventually the underground option emerged as the preferred solution because of the high cost of buying land for rights-of-way in central Paris required for elevated lines, estimated at 70,000 francs per metre of line for
2096-774: A similar pact and rejected ceding part of its territory to the Soviet Union. The Soviet Union invaded Finland in November 1939, and was subsequently expelled from the League of Nations for this crime of aggression. Despite overwhelming numerical superiority, Soviet military success during the Winter War was modest, and the Finno-Soviet war ended in March 1940 with some Finnish concessions of territory . In June 1940,
2227-531: A two-front war, as it had in World War I. Immediately afterwards, Hitler ordered the attack to proceed on 26 August, but upon hearing that the United Kingdom had concluded a formal mutual assistance pact with Poland and that Italy would maintain neutrality, he decided to delay it. In response to British requests for direct negotiations to avoid war, Germany made demands on Poland, which served as
2358-865: Is a rapid transit system serving the Paris metropolitan area in France. A symbol of the city, it is known for its density within the capital's territorial limits, uniform architecture and historical entrances influenced by Art Nouveau . The system is 245.6 kilometres (152.6 mi) long, mostly underground. It has 320 stations of which 61 have transfers between lines. Operated by the Régie autonome des transports parisiens ( RATP ), it has sixteen lines (with an additional four under construction ), numbered 1 to 14, with two lines, Line 3bis and Line 7bis , named because they used to be part of Line 3 and Line 7 , respectively. Three lines ( 1 , 4 and 14 ) are automated . Lines are identified on maps by number and colour, with
2489-463: Is a paper ticket aimed at visitors offering unlimited trips for a duration of one, two, three or five days, for zones 1–3 covering the centre of Paris, or zones 1–5 covering the whole of the network including the RER to the airports, Versailles and Disneyland Paris. A single ticket to or from Orly Airport on Métro line 14 costs €10.30. On 26 June 2012, it was announced that the Métro would get Wi-Fi in most stations. Access provided would be free, with
2620-409: Is available in paper form, or can be loaded onto a Navigo Easy pass. As of 2024, it costs €2.15 per ticket, and is also available as a pack of ten tickets (a carnet ) for €17.35 on Navigo Easy. Daily, weekly, and monthly passes are available for users of a Navigo card , an RFID -based contactless smart card . Daily tickets are also available as paper tickets until the end of 2024. Paris Visite
2751-500: Is no longer required. The standard ticket for a single trip is the Ticket t+. It is valid for a multi-transfer journey within 90 minutes from the first validation. It can be used on the Métro (excluding Orly Airport), buses and trams, and in zone 1 of the RER. It allows unlimited transfers between the same mode of transport (i.e. Métro to Métro, bus to bus and tram to tram), between bus and tram, and between Métro and RER zone 1. The ticket
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#17327902752092882-476: Is the fifth RER line. It terminates at Haussmann–Saint-Lazare , but a new project, financed by EPAD, the public authority managing the La Défense business district, should extend it west to La Défense–Grande Arche and the suburbs beyond. Between 2007 and November 2011, Line 1 was converted to driverless operation. The line was operated with a combination of driver-operated trains and driverless trains until
3013-431: Is the large Buddha of Meguro , a Japanese bronze from the 18th century, from the original collection of Henri Cernuschi. Other permanent exhibits include: 48°52′48″N 2°18′43″E / 48.880°N 2.312°E / 48.880; 2.312 Paris M%C3%A9tro The Paris Métro ( French : Métro de Paris , [metʁo d(ə) paʁi] ), short for Métropolitain ( [metʁɔpɔlitɛ̃] ),
3144-604: The Anglo-German Naval Agreement and the German–Polish declaration of non-aggression . The situation became a crisis in late August as German troops continued to mobilise against the Polish border. On 23 August the Soviet Union signed a non-aggression pact with Germany, after tripartite negotiations for a military alliance between France, the United Kingdom, and Soviet Union had stalled. This pact had
3275-689: The British Empire , with fighting in the Balkans , Mediterranean, and Middle East , the aerial Battle of Britain and the Blitz , and naval Battle of the Atlantic . Through a series of campaigns and treaties, Germany took control of much of continental Europe and formed the Axis alliance with Italy , Japan , and other countries. In June 1941, Germany led the European Axis in an invasion of
3406-581: The German Revolution of 1918–1919 , and a democratic government, later known as the Weimar Republic , was created. The interwar period saw strife between supporters of the new republic and hardline opponents on both the political right and left. Italy, as an Entente ally, had made some post-war territorial gains; however, Italian nationalists were angered that the promises made by the United Kingdom and France to secure Italian entrance into
3537-800: The German invasion of Poland and the United Kingdom and France 's declaration of war on Germany two days later on 3 September 1939. Dates for the beginning of the Pacific War include the start of the Second Sino-Japanese War on 7 July 1937, or the earlier Japanese invasion of Manchuria , on 19 September 1931. Others follow the British historian A. J. P. Taylor , who stated that the Sino-Japanese War and war in Europe and its colonies occurred simultaneously, and
3668-576: The Italian mainland , and Allied offensives in the Pacific—cost the Axis powers their initiative and forced them into strategic retreat on all fronts. In 1944, the Western Allies invaded German-occupied France at Normandy , while the Soviet Union regained its territorial losses and pushed Germany and its allies westward. At the same time, Japan suffered reversals in mainland Asia, while the Allies crippled
3799-553: The Japanese Navy and captured key islands . The war in Europe concluded with the liberation of German-occupied territories ; the invasion of Germany by the Western Allies and the Soviet Union, culminating in the fall of Berlin to Soviet troops; Hitler's suicide ; and the German unconditional surrender on 8 May 1945 . Following the refusal of Japan to surrender on the terms of the Potsdam Declaration ,
3930-695: The League of Nations as a force to preserve peace. Both Italy and Ethiopia were member nations, but the League did little when the former clearly violated Article X of the League's Covenant . The United Kingdom and France supported imposing sanctions on Italy for the invasion, but the sanctions were not fully enforced and failed to end the Italian invasion. Italy subsequently dropped its objections to Germany's goal of absorbing Austria . When civil war broke out in Spain, Hitler and Mussolini lent military support to
4061-731: The Nationalist rebels , led by General Francisco Franco . Italy supported the Nationalists to a greater extent than the Nazis: Mussolini sent more than 70,000 ground troops, 6,000 aviation personnel, and 720 aircraft to Spain. The Soviet Union supported the existing government of the Spanish Republic . More than 30,000 foreign volunteers, known as the International Brigades , also fought against
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4192-690: The Rome–Berlin Axis . A month later, Germany and Japan signed the Anti-Comintern Pact , which Italy joined the following year. The Kuomintang (KMT) party in China launched a unification campaign against regional warlords and nominally unified China in the mid-1920s, but was soon embroiled in a civil war against its former Chinese Communist Party (CCP) allies and new regional warlords . In 1931, an increasingly militaristic Empire of Japan , which had long sought influence in China as
4323-619: The Second World War (1 September 1939 – 2 September 1945) was a global conflict between two coalitions: the Allies and the Axis powers . Nearly all the world's countries —including all the great powers —participated, with many investing all available economic, industrial, and scientific capabilities in pursuit of total war , blurring the distinction between military and civilian resources. Tanks and aircraft played major roles , with
4454-590: The Soviet–Japanese Neutrality Pact in April 1941. By contrast, the Germans were steadily making preparations for an attack on the Soviet Union, massing forces on the Soviet border. Hitler believed that the United Kingdom's refusal to end the war was based on the hope that the United States and the Soviet Union would enter the war against Germany sooner or later. On 31 July 1940, Hitler decided that
4585-598: The Stresa Front in April 1935 in order to contain Germany, a key step towards military globalisation ; however, that June, the United Kingdom made an independent naval agreement with Germany, easing prior restrictions. The Soviet Union, concerned by Germany's goals of capturing vast areas of Eastern Europe , drafted a treaty of mutual assistance with France. Before taking effect, though, the Franco-Soviet pact
4716-709: The Sudetenland , an area of Czechoslovakia with a predominantly ethnic German population. Soon the United Kingdom and France followed the appeasement policy of British Prime Minister Neville Chamberlain and conceded this territory to Germany in the Munich Agreement , which was made against the wishes of the Czechoslovak government, in exchange for a promise of no further territorial demands. Soon afterwards, Germany and Italy forced Czechoslovakia to cede additional territory to Hungary, and Poland annexed
4847-707: The Tanggu Truce was signed in 1933. Thereafter, Chinese volunteer forces continued the resistance to Japanese aggression in Manchuria , and Chahar and Suiyuan . After the 1936 Xi'an Incident , the Kuomintang and CCP forces agreed on a ceasefire to present a united front to oppose Japan. The Second Italo-Ethiopian War was a brief colonial war that began in October 1935 and ended in May 1936. The war began with
4978-579: The Trans-Olza region of Czechoslovakia. Although all of Germany's stated demands had been satisfied by the agreement, privately Hitler was furious that British interference had prevented him from seizing all of Czechoslovakia in one operation. In subsequent speeches Hitler attacked British and Jewish "war-mongers" and in January 1939 secretly ordered a major build-up of the German navy to challenge British naval supremacy. In March 1939, Germany invaded
5109-558: The Treaty of Craiova . The loss of one-third of Romania's 1939 territory caused a coup against King Carol II, turning Romania into a fascist dictatorship under Marshal Ion Antonescu , with a course set towards the Axis in the hopes of a German guarantee. Meanwhile, German-Soviet political relations and economic co-operation gradually stalled, and both states began preparations for war. In April 1940, Germany invaded Denmark and Norway to protect shipments of iron ore from Sweden , which
5240-749: The United Kingdom and France to declare war on Germany. Poland was divided between Germany and the Soviet Union under the Molotov–Ribbentrop Pact , in which they had agreed on " spheres of influence " in Eastern Europe. In 1940, the Soviets annexed the Baltic states and parts of Finland and Romania . After the fall of France in June 1940, the war continued mainly between Germany and
5371-709: The Wehrmacht rapidly advanced to the Channel and cut off the Allied forces in Belgium, trapping the bulk of the Allied armies in a cauldron on the Franco-Belgian border near Lille. The United Kingdom was able to evacuate a significant number of Allied troops from the continent by early June, although they had to abandon almost all their equipment. On 10 June, Italy invaded France , declaring war on both France and
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5502-630: The aftermath of World War I and the rise of fascism in Europe and militarism in Japan . Key events leading up to the war included Japan's invasion of Manchuria , the Spanish Civil War , the outbreak of the Second Sino-Japanese War , and Germany's annexations of Austria and the Sudetenland . World War II is generally considered to have begun on 1 September 1939, when Nazi Germany , under Adolf Hitler , invaded Poland , prompting
5633-404: The reunification of East and West Germany to take place and resolved most post–World War II issues. No formal peace treaty between Japan and the Soviet Union was ever signed, although the state of war between the two countries was terminated by the Soviet–Japanese Joint Declaration of 1956 , which also restored full diplomatic relations between them. World War I had radically altered
5764-459: The standard gauge of 1,435 mm or 4 ft 8 + 1 ⁄ 2 in ) to protect the system from national takeover, which inflamed the issue substantially. The issue was finally settled when the Minister of Public Works begrudgingly recognized the city's right to build a local system on 22 November 1895, and by the city's secret designing of the trains and tunnels to be too narrow for mainline trains, while adopting standard gauge as
5895-447: The "balai" (broom) because it sweeps up remaining passengers, arrives at the terminus at 1:15 a.m., except on Fridays (since 7 December 2007), Saturdays and on nights before a holiday, when the service ends at 2:15 a.m. On New Year's Eve , Fête de la Musique , Nuit Blanche and other events, some stations on Lines 1, 4, 6, 9 and 14 remain open all night. Tickets are sold at staffed counters and at automated machines in
6026-403: The 105.4 km (41 sq mi) of the City of Paris. Châtelet–Les Halles , with five Métro and three RER commuter rail lines, is one of the world's largest metro stations. The system generally has poor accessibility since most stations were built underground well before ease of access started being taken into consideration. The first line opened without ceremony on 19 July 1900, during
6157-518: The 2.9-metre or 9-foot-6-inch carriages in Lyon) and trains on Lines 1, 4 and 14 have capacities of 600–700 passengers; this is as compared with 2,600 on the Altéo MI 2N trains of RER A. The City of Paris deliberately chose to build narrow Métro tunnels to prevent the running of mainline trains; the city of Paris and the French state had historically poor relations. In contrast to many other historical metro systems (such as New York, Madrid, London, and Boston), all lines have tunnels and operate trains with
6288-409: The Allies were attempting to cut off . Denmark capitulated after six hours , and despite Allied support , Norway was conquered within two months. British discontent over the Norwegian campaign led to the resignation of Prime Minister Neville Chamberlain , who was replaced by Winston Churchill on 10 May 1940. On the same day, Germany launched an offensive against France . To circumvent
6419-400: The Axis war against the Soviet Union, in Romania's case partially to recapture territory ceded to the Soviet Union . In early June 1940, the Italian Regia Aeronautica attacked and besieged Malta , a British possession. From late summer to early autumn, Italy conquered British Somaliland and made an incursion into British-held Egypt . In October, Italy attacked Greece , but the attack
6550-547: The Belgian Baron Édouard Empain , won the contract; this company was then immediately reorganized as the Compagnie du chemin de fer métropolitain . Construction began in November 1898. The first line, Porte Maillot – Porte de Vincennes , was inaugurated on 19 July 1900 during the Paris World's Fair . Entrances to stations were designed in Art Nouveau style by Hector Guimard . Eighty-six of his entrances are still in existence. Bienvenüe's project consisted of 10 lines, which correspond to current Lines 1 to 9. Construction
6681-421: The Blitz , but largely ended in May 1941 after failing to significantly disrupt the British war effort. Using newly captured French ports, the German Navy enjoyed success against an over-extended Royal Navy , using U-boats against British shipping in the Atlantic . The British Home Fleet scored a significant victory on 27 May 1941 by sinking the German battleship Bismarck . In November 1939,
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#17327902752096812-405: The European Axis declaring war on the US. Japan conquered much of coastal China and Southeast Asia , but its advances in the Pacific were halted in mid-1942 after its defeat in the naval Battle of Midway ; Germany and Italy were defeated in North Africa and at Stalingrad in the Soviet Union. Key setbacks in 1943—including German defeats on the Eastern Front, the Allied invasions of Sicily and
6943-410: The French possessions of Syria and Lebanon , assisted by the Free French . With the situation in Europe and Asia relatively stable, Germany, Japan, and the Soviet Union made preparations for war. With the Soviets wary of mounting tensions with Germany, and the Japanese planning to take advantage of the European War by seizing resource-rich European possessions in Southeast Asia , the two powers signed
7074-426: The Germans, and the last large operational unit of the Polish Army surrendered on 6 October . Despite the military defeat, Poland never surrendered; instead, it formed the Polish government-in-exile and a clandestine state apparatus remained in occupied Poland. A significant part of Polish military personnel evacuated to Romania and Latvia; many of them later fought against the Axis in other theatres of
7205-524: The Ligne de Vincennes (eastbound) with the intention of joining them and to serve multiple districts of central Paris with new underground stations. The new line created by this merger became Line A. The Ligne de Sceaux, which served the southern suburbs and was bought by the CMP in the 1930s, would be extended north to merge with a line of the SNCF and reach the new Charles de Gaulle Airport in Roissy. This became Line B . These new lines were inaugurated in 1977 and their wild success outperformed all
7336-408: The Métro's own rabbit mascot , which advises children on staying away from the closing doors. Métro is the abbreviated name of the company that originally operated most of the network: the Empain group subsidiary Compagnie du chemin de fer métropolitain de Paris S.A. ("Paris Metropolitan Railway Company Ltd."), shortened to "Le Métropolitain". It was quickly abbreviated to Métro , which became
7467-450: The Nationalists. Both Germany and the Soviet Union used this proxy war as an opportunity to test in combat their most advanced weapons and tactics. The Nationalists won the civil war in April 1939; Franco, now dictator, remained officially neutral during World War II but generally favoured the Axis . His greatest collaboration with Germany was the sending of volunteers to fight on the Eastern Front . In July 1937, Japan captured
7598-449: The Paris Métro mostly uses two-way tunnels. As in most French métro and tramway systems, trains drive on the right ( SNCF trains run on the left track). The tracks are 1,435 mm ( 4 ft 8 + 1 ⁄ 2 in ) standard gauge . Electric power is supplied by a third rail which carries 750 volts DC . The width of the carriages, 2.4 metres (7 ft 10 in), is narrower than that of newer French systems (such as
7729-587: The RATP to stop extending lines and concentrate on modernisation. The MP 51 prototype was built, testing both rubber-tyred metro and basic automatic driving on the voie navette . The first replacements of the older Sprague trains began with experimental articulated trains and then with mainstream rubber-tyred Métro MP 55 and MP 59 , some of the latter still in service (Line 11). Thanks to newer trains and better signalling, trains ran more frequently. The population boomed from 1950 to 1980. Car ownership became more common and suburbs grew further from
7860-473: The RER developed by the SNCF would never match the success of the RATP's two RER lines. In 1979, the SNCF developed Line C by joining the suburban lines of the Gare d'Austerlitz and Gare d'Orsay , the latter being converted into a museum dedicated to impressionist paintings. During the 1980s, it developed Line D , which was the second line planned by the initial RER schedule, but serving Châtelet instead of République to reduce costs. A huge Métro-RER hub
7991-452: The Royal Navy putting three Italian battleships out of commission after a carrier attack at Taranto , and neutralising several more warships at the Battle of Cape Matapan . Italian defeats prompted Germany to deploy an expeditionary force to North Africa; at the end of March 1941, Rommel 's Afrika Korps launched an offensive which drove back Commonwealth forces. In less than a month, Axis forces advanced to western Egypt and besieged
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#17327902752098122-423: The Soviet Union occupied the entire territories of Estonia, Latvia and Lithuania, as well as the Romanian regions of Bessarabia, Northern Bukovina, and the Hertsa region . In August 1940, Hitler imposed the Second Vienna Award on Romania which led to the transfer of Northern Transylvania to Hungary. In September 1940, Bulgaria demanded Southern Dobruja from Romania with German and Italian support, leading to
8253-421: The Soviet Union , opening the Eastern Front and initially making large territorial gains. Japan aimed to dominate East Asia and the Asia-Pacific , and by 1937 was at war with the Republic of China . In December 1941, Japan attacked American and British territories in Southeast Asia and the Central Pacific , including Pearl Harbor in Hawaii , which resulted in the US and the UK declaring war against Japan, and
8384-418: The Soviet Union and Mongolia . The Japanese doctrine of Hokushin-ron , which emphasised Japan's expansion northward, was favoured by the Imperial Army during this time. This policy would prove difficult to maintain in light of the Japanese defeat at Khalkin Gol in 1939, the ongoing Second Sino-Japanese War and ally Nazi Germany pursuing neutrality with the Soviets. Japan and the Soviet Union eventually signed
8515-575: The Soviet Union should be eliminated and aimed for the conquest of Ukraine , the Baltic states and Byelorussia . However, other senior German officials like Ribbentrop saw an opportunity to create a Euro-Asian bloc against the British Empire by inviting the Soviet Union into the Tripartite Pact. In November 1940, negotiations took place to determine if the Soviet Union would join the pact. The Soviets showed some interest but asked for concessions from Finland, Bulgaria, Turkey, and Japan that Germany considered unacceptable. On 18 December 1940, Hitler issued
8646-402: The US dropped the first atomic bombs on Hiroshima and Nagasaki on 6 and 9 August. Faced with an imminent invasion of the Japanese archipelago , the possibility of further atomic bombings, and the Soviet declaration of war against Japan and its invasion of Manchuria , Japan announced its unconditional surrender on 15 August and signed a surrender document on 2 September 1945 , marking
8777-424: The United Kingdom and France guaranteed their support for Polish independence ; when Italy conquered Albania in April 1939, the same guarantee was extended to the Kingdoms of Romania and Greece . Shortly after the Franco - British pledge to Poland, Germany and Italy formalised their own alliance with the Pact of Steel . Hitler accused the United Kingdom and Poland of trying to "encircle" Germany and renounced
8908-489: The United Kingdom attacked on 3 July in an attempt to prevent its seizure by Germany. The air Battle of Britain began in early July with Luftwaffe attacks on shipping and harbours . The German campaign for air superiority started in August but its failure to defeat RAF Fighter Command forced the indefinite postponement of the proposed German invasion of Britain . The German strategic bombing offensive intensified with night attacks on London and other cities in
9039-401: The United Kingdom. The Germans turned south against the weakened French army, and Paris fell to them on 14 June. Eight days later France signed an armistice with Germany ; it was divided into German and Italian occupation zones , and an unoccupied rump state under the Vichy Regime , which, though officially neutral, was generally aligned with Germany. France kept its fleet, which
9170-473: The United States was assisting China and the Western Allies, and had amended the Neutrality Act to allow "cash and carry" purchases by the Allies. In 1940, following the German capture of Paris, the size of the United States Navy was significantly increased . In September the United States further agreed to a trade of American destroyers for British bases . Still, a large majority of the American public continued to oppose any direct military intervention in
9301-426: The World's Fair ( Exposition Universelle ). The system expanded quickly until World War I and the core was complete by the 1920s; extensions into suburbs were built in the 1930s. The network reached saturation after World War II with new trains to allow higher traffic, but further improvements have been limited by the design of the network and, in particular, the short distances between stations. In 1998, Line 14
9432-606: The Yellow River ; this manoeuvre bought time for the Chinese to prepare their defences at Wuhan , but the city was taken by October. Japanese military victories did not bring about the collapse of Chinese resistance that Japan had hoped to achieve; instead, the Chinese government relocated inland to Chongqing and continued the war. In the mid-to-late 1930s, Japanese forces in Manchukuo had sporadic border clashes with
9563-517: The capital Nanking in December 1937. After the fall of Nanking, tens or hundreds of thousands of Chinese civilians and disarmed combatants were murdered by the Japanese . In March 1938, Nationalist Chinese forces won their first major victory at Taierzhuang , but then the city of Xuzhou was taken by the Japanese in May. In June 1938, Chinese forces stalled the Japanese advance by flooding
9694-745: The centre of Paris. The main railway stations, termini of the suburban rail lines, were overcrowded during rush hour. The short distance between Métro stations slowed the network and made it unprofitable to build extensions. The solution in the 1960s was to revive a project abandoned at the end of the 19th century : joining suburban lines to new underground portions in the city centre as the Réseau Express Régional (regional express network; RER). The RER plan initially included one east–west line and two north–south lines. RATP bought two unprofitable SNCF lines—the Ligne de Saint-Germain (westbound) and
9825-456: The cities in the world best served by public transportation. Despite the network's uniform architecture, several of its stations stand out at the hand of their unique design. The Métro itself has become an icon in popular culture, being frequently featured in cinema and mentioned in music. In 2021, the RATP started offering an umbrella lending service at several Métro and RER stations, highlighting
9956-403: The conflict well into 1941. In December 1940, Roosevelt accused Hitler of planning world conquest and ruled out any negotiations as useless, calling for the United States to become an " arsenal of democracy " and promoting Lend-Lease programmes of military and humanitarian aid to support the British war effort; Lend-Lease was later extended to the other Allies, including the Soviet Union after it
10087-526: The creation of a " New Roman Empire ". Adolf Hitler , after an unsuccessful attempt to overthrow the German government in 1923, eventually became the Chancellor of Germany in 1933 when Paul von Hindenburg and the Reichstag appointed him. Following Hindenburg's death in 1934, Hitler proclaimed himself Führer of Germany and abolished democracy, espousing a radical, racially motivated revision of
10218-539: The delivery of the last of its driverless MP 05 trains in February 2013. The same conversion for Line 4 was completed on 13 January 2022, with the last non-automatic train removed from that line on 17 December 2023, and RATP would now like to automate Line 13. Line 14 was automated from Day 1, as will the lines 15 to 18 which are being built as part of the Grand Paris Express . Several extensions to
10349-399: The difficult and heterogeneous soils and rocks. Line 1 and Line 4 were conceived as central east–west and north–south lines. Two lines, ligne 2 Nord (Line 2 North) and ligne 2 Sud (Line 2 South), were also planned but Line 2 South was merged with Line 5 in 1906. Line 3 was an additional east–west line to the north of line 1 and line 5 an additional north to south line to
10480-512: The direction of travel indicated by the terminus. It is the second-busiest metro system in Europe , after the Moscow Metro , as well as the tenth-busiest in the world. It carried 1.498 billion passengers in 2019, roughly 4.1 million passengers a day, which makes it the most used public transport system in Paris. It is one of the densest metro systems in the world, with 244 stations within
10611-757: The dissolution of the Austro-Hungarian, Ottoman, and Russian Empires. To prevent a future world war, the League of Nations was established in 1920 by the Paris Peace Conference . The organisation's primary goals were to prevent armed conflict through collective security, military, and naval disarmament , as well as settling international disputes through peaceful negotiations and arbitration. Despite strong pacifist sentiment after World War I , irredentist and revanchist nationalism had emerged in several European states. These sentiments were especially marked in Germany because of
10742-560: The east of Line 4. Line 6 would run from Nation to Place d'Italie . Lines 7 , 8 and 9 would connect commercial and office districts around the Opéra to residential areas in the north-east and the south-west. Bienvenüe also planned a circular line, the ligne circulaire intérieure , to connect the six mainline stations. A section opened in 1923 between Invalides and the Boulevard Saint-Germain before
10873-662: The end of May completed the German conquest of the Balkans. Partisan warfare subsequently broke out against the Axis occupation of Yugoslavia , which continued until the end of the war. In the Middle East in May, Commonwealth forces quashed an uprising in Iraq which had been supported by German aircraft from bases within Vichy-controlled Syria . Between June and July, British-led forces invaded and occupied
11004-511: The end of the war. World War II changed the political alignment and social structure of the world, and it set the foundation of international relations for the rest of the 20th century and into the 21st century. The United Nations was established to foster international cooperation and prevent conflicts, with the victorious great powers—China, France, the Soviet Union, the UK, and the US—becoming
11135-575: The first step of what its government saw as the country's right to rule Asia , staged the Mukden incident as a pretext to invade Manchuria and establish the puppet state of Manchukuo . China appealed to the League of Nations to stop the Japanese invasion of Manchuria. Japan withdrew from the League of Nations after being condemned for its incursion into Manchuria. The two nations then fought several battles, in Shanghai , Rehe and Hebei , until
11266-864: The former Chinese imperial capital of Peking after instigating the Marco Polo Bridge incident , which culminated in the Japanese campaign to invade all of China. The Soviets quickly signed a non-aggression pact with China to lend materiel support, effectively ending China's prior cooperation with Germany . From September to November, the Japanese attacked Taiyuan , engaged the Kuomintang Army around Xinkou , and fought Communist forces in Pingxingguan . Generalissimo Chiang Kai-shek deployed his best army to defend Shanghai , but after three months of fighting, Shanghai fell. The Japanese continued to push Chinese forces back, capturing
11397-450: The greater Paris area. The Métro is mostly underground (225.2 km or 139.9 mi of 245.6 km or 152.6 mi). Above-ground sections consist of elevated railway viaducts within Paris (on Lines 1, 2, 5 and 6) and the at-level suburban ends of Lines 1, 5, 8, and 13. The tunnels are relatively close to the surface due to the variable nature of the terrain, which complicates deep digging; exceptions include parts of Line 12 under
11528-598: The high rate of accidents on surface rail lines. On 19 November 1871 the General Council of the Seine commissioned a team of 40 engineers to plan an urban rail network. This team proposed a network with a pattern of routes "resembling a cross enclosed in a circle" with axial routes following large boulevards. On 11 May 1872 the Council endorsed the plan, but the French government turned down the plan. After this point,
11659-497: The high-quality decoration of its stations, the trains' extreme comfort and pretty lighting. Nord-Sud did not become profitable and bankruptcy became unavoidable. By the end of 1930, the CMP bought Nord-Sud. Line A became Line 12 and Line B Line 13 . Line C was built and renamed Line 14 ; that line was reorganised in 1937 with Lines 8 and 10. This partial line is now the south part of Line 13. The last Nord-Sud train set
11790-542: The hill of Montmartre and line 2 under Ménilmontant . The tunnels mostly follow the twists and turns of the streets above. During construction in 1900, a minimum radius of curvature of just 75 metres (246 ft) was imposed, but even this low standard was not adhered to at Bastille and Notre-Dame-de-Lorette . Like the New York City Subway , and in contrast with the London Underground ,
11921-461: The inner suburbs of Boulogne . The line C planned by Nord-Sud between Montparnasse station and Porte de Vanves was built as Line 14 (different from present Line 14 ). It extended north in encompassing the already-built portion between Invalides and Duroc, initially planned as part of the inner circular. The over-busy Belleville funicular tramway would be replaced by a new line, Line 11 , extended to Châtelet . Lines 10, 11 and 14 were thus
12052-525: The invasion of the Ethiopian Empire (also known as Abyssinia ) by the armed forces of the Kingdom of Italy ( Regno d'Italia ), which was launched from Italian Somaliland and Eritrea . The war resulted in the military occupation of Ethiopia and its annexation into the newly created colony of Italian East Africa ( Africa Orientale Italiana , or AOI); in addition it exposed the weakness of
12183-682: The latter enabling the strategic bombing of population centres and delivery of the only two nuclear weapons ever used in war. World War II was the deadliest conflict in history, resulting in 70 to 85 million deaths , more than half being civilians. Millions died in genocides , including the Holocaust of European Jews, as well as from massacres, starvation, and disease. Following the Allied powers' victory, Germany , Austria , Japan , and Korea were occupied, and war crimes tribunals were conducted against German and Japanese leaders . The causes of World War II included unresolved tensions in
12314-527: The left. Unlike many other subway systems (such as that of London), this system was designed from the outset as a system of (initially) nine lines. Such a large project required a private-public arrangement right from the outset – the city would build most of the permanent way, while a private concessionaire company would supply the trains and power stations, and lease the system (each line separately, for initially 39-year leases). In July 1897, six bidders competed, and The Compagnie Generale de Traction, owned by
12445-469: The most optimistic forecasts to the extent that line A is the most used urban rail line in Europe with nearly 300 million journeys a year. Because of the enormous cost of these two lines, the third planned line was abandoned and the authorities decided that later developments of the RER network would be more cheaply developed by the SNCF, alongside its continued management of other suburban lines. However,
12576-477: The name of London's pioneering underground railway company, the Metropolitan Railway , which had been in business for almost 40 years prior to the inauguration of Paris's first line. By 1845, Paris and the railway companies were already thinking about an urban railway system to link inner districts of the city. The railway companies and the French government wanted to extend mainline railways into
12707-458: The network would cost between 4 and 6 billion euros, and that certain stations would remain impossible to retrofit. As of 2022 , there were no plans to retrofit existing stations with lifts. RATP notes that buses and trams in Paris are fully accessible, and many RER & Transilien stations are accessible. World War II Asia-Pacific Mediterranean and Middle East Other campaigns Coups World War II or
12838-426: The new stations. By 2025, 23 stations on the Métro will be accessible, following extensions to existing lines. The four new lines of the Grand Paris Express will also be fully accessible from day 1. The Law on Equal Rights and Opportunities, Participation and Citizenship of Persons with Disabilities of 2005 [ fr ] does not require the Métro to be made accessible. RATP estimates that retrofitting
12969-464: The only two on the network to be split in branches. The RATP would like to get rid of those saturated branches in order to improve the network's efficiency. A project existed to attribute to line 14 one branch of each line, and to extend them further into the suburbs. This project was abandoned. In 1999, the RER Line E was inaugurated. Known during its conception as Eole (Est-Ouest Liaison Express), it
13100-502: The permanent members of its security council . The Soviet Union and the United States emerged as rival superpowers , setting the stage for the Cold War . In the wake of European devastation, the influence of its great powers waned, triggering the decolonisation of Africa and Asia . Most countries whose industries had been damaged moved towards economic recovery and expansion . World War II began in Europe on 1 September 1939 with
13231-595: The plan was abandoned. On 31 January 1904, a second concession was granted to the Société du chemin de fer électrique souterrain Nord-Sud de Paris (Paris North-South underground electrical railway company), abbreviated to the Nord-Sud (North-South) company. It was responsible for building three proposed lines: Line A was inaugurated on 4 November 1910, after being postponed because of floods in January that year. Line B
13362-589: The political European map with the defeat of the Central Powers —including Austria-Hungary , Germany , Bulgaria , and the Ottoman Empire —and the 1917 Bolshevik seizure of power in Russia , which led to the founding of the Soviet Union. Meanwhile, the victorious Allies of World War I , such as France, Belgium, Italy, Romania, and Greece, gained territory, and new nation-states were created out of
13493-599: The port of Tobruk . By late March 1941, Bulgaria and Yugoslavia signed the Tripartite Pact ; however, the Yugoslav government was overthrown two days later by pro-British nationalists. Germany and Italy responded with simultaneous invasions of both Yugoslavia and Greece , commencing on 6 April 1941; both nations were forced to surrender within the month. The airborne invasion of the Greek island of Crete at
13624-722: The remainder of Czechoslovakia and subsequently split it into the German Protectorate of Bohemia and Moravia and a pro-German client state , the Slovak Republic . Hitler also delivered an ultimatum to Lithuania on 20 March 1939, forcing the concession of the Klaipėda Region , formerly the German Memelland . Greatly alarmed and with Hitler making further demands on the Free City of Danzig ,
13755-481: The same dimensions. Five Paris Métro Lines (1, 4, 6, 11 and 14) run on a rubber tire system developed by the RATP in the 1950s, exported to the Montreal , Santiago , Mexico City and Lausanne metro. The number of cars in each train varies line by line. The shortest are lines 3bis and 7bis with three-car trains. Line 11 ran with four until the summer 2023 when four-car MP 59 trains, the oldest type in service at
13886-410: The significant territorial, colonial, and financial losses imposed by the Treaty of Versailles . Under the treaty, Germany lost around 13 percent of its home territory and all its overseas possessions , while German annexation of other states was prohibited, reparations were imposed, and limits were placed on the size and capability of the country's armed forces . The German Empire was dissolved in
14017-498: The start or prelude to World War II. The exact date of the war's end also is not universally agreed upon. It was generally accepted at the time that the war ended with the armistice of 15 August 1945 ( V-J Day ), rather than with the formal surrender of Japan on 2 September 1945, which officially ended the war in Asia . A peace treaty between Japan and the Allies was signed in 1951. A 1990 treaty regarding Germany's future allowed
14148-405: The station foyer. Entrance to platforms is by automated gate, opened by smart cards and paper tickets. Gates return tickets for passengers to retain for the duration of the journey. There is normally no system to collect or check tickets at the end of the journey, and tickets can be inspected at any point. The exit from all stations is clearly marked as to the point beyond which possession of a ticket
14279-525: The stations are very close: 548 metres (1,798 ft) apart on average, from 424 metres (1,391 ft) on Line 4 to 1,158 metres (3,799 ft) on the newer line 14, meaning Paris is densely networked with stations. The surrounding suburbs are served by later line extensions, thus traffic from one suburb to another must pass through the city (the circular line 15 , now under construction, will enable some journeys that do not need to pass through Paris). The slow average speed effectively prohibits service to
14410-593: The strong Maginot Line fortifications on the Franco-German border, Germany directed its attack at the neutral nations of Belgium , the Netherlands , and Luxembourg . The Germans carried out a flanking manoeuvre through the Ardennes region, which was mistakenly perceived by the Allies as an impenetrable natural barrier against armoured vehicles. By successfully implementing new Blitzkrieg tactics,
14541-414: The suburbs opened in the last years. Line 8 was extended to Pointe du Lac in 2011, line 12 was extended to Aubervilliers in 2012, line 4 was extended to Mairie de Montrouge in 2013, Line 14 was extended by 5.8 km (3.6 mi) to Mairie de Saint-Ouen in December 2020, and Line 4 was extended to Bagneux in January 2022. Since the Métro was built to comprehensively serve the city inside its walls,
14672-424: The suburbs. The new Line 13 was inaugurated on 9 November 1976. In October 1998, Line 14 was inaugurated. It was the first fully new Métro line in 63 years. Known during its conception as Météor (Métro Est-Ouest Rapide), it was the first of the now three fully automatic lines within the network, along with Line 1 and Line 4. It was the first with platform screen doors to prevent suicides and accidents. It
14803-639: The three new lines envisaged under this plan. Most lines would be extended to the inner suburbs. The first to leave the city proper was Line 9, extended in 1934 to Boulogne-Billancourt ; more followed in the 1930s. World War II forced authorities to abandon projects such as the extension of Line 4 and Line 12 to the northern suburbs. By 1949, eight lines had been extended: Line 1 to Neuilly-sur-Seine and Vincennes , Line 3 to Levallois-Perret , Line 5 to Pantin , Line 7 to Ivry-sur-Seine , Line 8 to Charenton , Line 9 to Boulogne-Billancourt, Line 11 to Les Lilas and Line 12 to Issy-les-Moulineaux . World War II had
14934-616: The time, were gradually replaced by new five-car MP 14 trains (at a pace of 3 to 5 new MP 14 every Monday). Lines 1 and 4 run six-car trains. Line 14 currently runs a mix of six and 8-car trains; in the future it will only run 8 cars. All other lines run with five. Two lines, 7 and 13, have branches at the end, and Line 10 has a one-way loop. Trains serve every station on each line except when they are closed for renovations. [REDACTED] The first train leaves each terminus at 5:30 a.m. On some lines additional trains start from an intermediate station. The last train, often called
15065-531: The tunnels to conduct swift assaults throughout Paris. It took a long time to recover after liberation in 1944. Many stations had not reopened by the 1960s and some closed for good. On 23 March 1948, the CMP (the underground) and the STCRP (bus and tramways) merged to form the RATP , which still operates the Métro. The network grew saturated during the 1950s. Outdated technology limited the number of trains, which led
15196-518: The two wars became World War II in 1941. Other proposed starting dates for World War II include the Italian invasion of Abyssinia on 3 October 1935. The British historian Antony Beevor views the beginning of World War II as the Battles of Khalkhin Gol fought between Japan and the forces of Mongolia and the Soviet Union from May to September 1939. Others view the Spanish Civil War as
15327-513: The war were not fulfilled in the peace settlement. From 1922 to 1925, the Fascist movement led by Benito Mussolini seized power in Italy with a nationalist, totalitarian , and class collaborationist agenda that abolished representative democracy, repressed socialist, left-wing, and liberal forces, and pursued an aggressive expansionist foreign policy aimed at making Italy a world power, promising
15458-475: The war. Germany annexed western Poland and occupied central Poland ; the Soviet Union annexed eastern Poland ; small shares of Polish territory were transferred to Lithuania and Slovakia . On 6 October, Hitler made a public peace overture to the United Kingdom and France but said that the future of Poland was to be determined exclusively by Germany and the Soviet Union. The proposal was rejected and Hitler ordered an immediate offensive against France, which
15589-512: The west halted the German advance for several days, but it was outflanked and encircled by the Wehrmacht . Remnants of the Polish army broke through to besieged Warsaw . On 17 September 1939, two days after signing a cease-fire with Japan , the Soviet Union invaded Poland under the supposed pretext that the Polish state had ceased to exist. On 27 September, the Warsaw garrison surrendered to
15720-707: The world order , and soon began a massive rearmament campaign . France, seeking to secure its alliance with Italy, allowed Italy a free hand in Ethiopia , which Italy desired as a colonial possession. The situation was aggravated in early 1935 when the Territory of the Saar Basin was legally reunited with Germany, and Hitler repudiated the Treaty of Versailles, accelerated his rearmament programme, and introduced conscription. The United Kingdom, France and Italy formed
15851-614: Was invaded by Germany. The United States started strategic planning to prepare for a full-scale offensive against Germany. At the end of September 1940, the Tripartite Pact formally united Japan, Italy, and Germany as the Axis powers . The Tripartite Pact stipulated that any country—with the exception of the Soviet Union—that attacked any Axis Power would be forced to go to war against all three. The Axis expanded in November 1940 when Hungary , Slovakia , and Romania joined. Romania and Hungary later made major contributions to
15982-722: Was closed, its total exhibition space reached 3,200 m. Another renovation was conducted in 2019–2020. On 2013/0101, the Cernuschi Museum became part of the public institution Paris Musées , together with 13 other museums belonging to the City of Paris . Over the years, the museum's collection has gradually grown from nearly 5,000 objects initially to about 15,000 as of 2021. Originally its collections were overwhelmingly of objects from China and Japan, which have been complemented more recently by artefacts from Korea and Vietnam. Some 900 objects are on permanent exhibition. Most prominent
16113-442: Was conceived with extensions to the suburbs in mind, similar to the extensions of the line 13 built during the 1970s. As a result, most of the stations are at least a kilometre apart. Like the RER lines designed by the RATP, nearly all stations offer connections with multiple Métro lines. The line initially ran between Saint-Lazare and Olympiades and was subsequently extended north to Mairie de St.Ouen in 2020. Lines 13 and 7 are
16244-418: Was created at Châtelet–Les Halles , becoming one of the world's largest underground stations. The same project of the 1960s also decided to merge Line 13 and Line 14 to create a quick connection between Saint-Lazare and Montparnasse as a new north–south line. Distances between stations on the lengthened line 13 differ from that on other lines in order to make it more "express" and hence to extend it farther in
16375-425: Was decommissioned on 15 May 1972. Bienvenüe's project was nearly completed during the 1920s. Paris planned three new lines and extensions of most lines to the inner suburbs, despite the reluctance of Parisians. Bienvenüe's inner circular line having been abandoned, the already-built portion between Duroc and Odéon for the creation of a new east–west line that became Line 10 , extended west to Porte de Saint-Cloud and
16506-404: Was inaugurated on 26 February 1911. Because of the high construction costs, the construction of line C was postponed. Nord-Sud and CMP used compatible trains that could be used on both networks, but CMP trains used 600 volts third rail, and NS −600 volts overhead wire and +600 volts third rail. This was necessary because of steep gradients on NS lines. NS distinguished itself from its competitor with
16637-456: Was postponed until the spring of 1940 due to bad weather. After the outbreak of war in Poland, Stalin threatened Estonia , Latvia , and Lithuania with military invasion, forcing the three Baltic countries to sign pacts allowing the creation of Soviet military bases in these countries; in October 1939, significant Soviet military contingents were moved there. Finland refused to sign
16768-412: Was put into service to relieve RER A . Line 11 reaching Rosny–Bois-Perrier in 2024 is the network's most recent extension. A large expansion programme known as the Grand Paris Express (GPE) is currently under construction with four new orbital Métro lines ( 15 , 16 , 17 and 18 ) around the Île-de-France region, outside the Paris city limits. Further plans exist for Line 1 , Line 7 , Line 10 ,
16899-772: Was repulsed with heavy Italian casualties; the campaign ended within months with minor territorial changes. To assist Italy and prevent Britain from gaining a foothold, Germany prepared to invade the Balkans, which would threaten Romanian oil fields and strike against British dominance of the Mediterranean. In December 1940, British Empire forces began counter-offensives against Italian forces in Egypt and Italian East Africa . The offensives were successful; by early February 1941, Italy had lost control of eastern Libya, and large numbers of Italian troops had been taken prisoner. The Italian Navy also suffered significant defeats, with
17030-673: Was required to go through the bureaucracy of the League of Nations, which rendered it essentially toothless. The United States, concerned with events in Europe and Asia, passed the Neutrality Act in August of the same year. Hitler defied the Versailles and Locarno Treaties by remilitarising the Rhineland in March 1936, encountering little opposition due to the policy of appeasement . In October 1936, Germany and Italy formed
17161-422: Was so intense that by 1920, despite a few changes from schedule, most lines had been completed. The shield method of construction was rejected in favor of the cut-and-cover method in order to speed up work. Bienvenüe, a highly regarded engineer, designed a special procedure of building the tunnels to allow the swift repaving of roads, and is credited with a largely swift and relatively uneventful construction through
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