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112-510: After World War II , the company began producing motorcycles as a way to fill the post-war need for cheap, efficient transportation. The company later specialised in civil and military pilot training aircraft. In July 2003, Aermacchi was integrated into the Finmeccanica Group (now Leonardo) as Alenia Aermacchi , which increased its shareholding to 99%. Since the beginning, the design and production of military trainers have been

224-659: 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

336-578: 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

448-652: A 250 cc production-volume Ala d'Oro for road racing competition. Early results varied but over years of bike development the team placed third during the 1966 350 cc World Championship with racer Renzo Pasolini and third again in 1968 with Kelvin Carruthers . The following year Carruthers competed at the Isle of Man TT . A new era began in 1971 with the development of twin-cylinder two-stroke racers of 250cc and 350cc capacity, designed at Aermacchi by their chief engineer, Ing. William Soncini. The first 250cc racer

560-427: A joint venture (MHD) with Hurel-Dubois (presently Hurel-Hispano , of SNECMA group). It is a French company specializing in the development and manufacture of thrust reversers, to obtain the full responsibility for the development of nacelles installed on maximum 100-seat aircraft. Aermacchi began producing motorcycles in c. 1951; the first Aermacchi to be marketed to the public was a scooter/motorcycle hybrid called

672-652: A lengthy circuit of closed public roads, not purpose-built racing circuits. This was true of the Le Mans circuit of the 1906 French Grand Prix, as well as the Targa Florio (run on 93 miles (150 km) of Sicilian roads), the 75 miles (121 km) German Kaiserpreis circuit in the Taunus mountains, the 48 miles (77 km) French circuit at Dieppe, used for the 1907 Grand Prix and, the Isle of Man TT motorcycle road circuit first used in 1907. The exceptions were

784-524: 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

896-781: 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

1008-475: 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

1120-866: A series called the Formula One world championship sanctioned by the Fédération Internationale de l'Automobile (FIA), while motorcycle road races were organized into the Grand Prix motorcycle racing series and sanctioned by the Fédération Internationale de Motocyclisme (FIM). The success and popularity of road racing has seen the sport spread across the globe with Grand Prix road races having been held on six continents. Other variations of road racing include; open-wheel racing , sports car racing , touring car racing , stock car racing , superbike racing , truck racing , kart racing and endurance racing . The first organized automobile race

1232-774: 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,

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1344-432: A stand full of spectators, killing 15 and himself. In 1970, Jochen Rindt won the Formula One drivers' championship posthumously, the only man to do so, underlining the continuing risks associated with road racing. The tragedies highlighted the need for improved safety standards for both drivers and spectators; safety would continue to be an issue throughout the 1960s and 1970s. When motorcycle racer Gilberto Parlotti

1456-531: 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

1568-605: Is required by the Italian Air Force to upgrade the aircraft capabilities. Alenia Aermacchi designs and produces wing pylons and wing tips, roots, trailing edges and flaps, which represents a 5% share in the overall program. Alenia Aermacchi has a share of more than 4% in the Eurofighter program, for the design and development of wing pylons, twin missile and twin store carriers, ECM pods, carbon fiber structures and titanium engine cowlings. After participating in

1680-570: The 350cc World Championship in 1976 , all under rider Walter Villa . World War II Asia-Pacific Mediterranean and Middle East Other campaigns Coups World War II or 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

1792-604: 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

1904-536: The Auto-Cycle Union (A.C.U.) stopped issuing permits for races on public roads, a policy that has not changed to this day. Donington Park was the first permanent park circuit in the United Kingdom and held its first motorcycle race in 1931. As automobile and motorcycle technology improved, racers began to achieve higher speeds that caused an increasing number of accidents on roads not designed for motorized vehicles. Public safety concerns ultimately caused

2016-864: The British Commonwealth nations grew around races held on paved, public roads such as the Circuit de la Sarthe circuit near the town of Le Mans , France , the Spa-Francorchamps Circuit in Belgium and the Mount Panorama Circuit in Australia. Certain European race circuits were situated in mountainous regions where the topography meant that the roads featured numerous curves and elevation changes, allowing

2128-689: 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

2240-489: The Daytona 200 road race which peaked in 1974 with the victory by 15-time world champion Giacomo Agostini . The dangers associated with the increasing speeds at road races were highlighted by the 1955 Le Mans disaster . With spectators seated near the edges of the circuit, two race cars came into contact causing one of the vehicles to crash into the embankment, where it exploded in a ball of flames and then plowed through

2352-645: The Detroit Grand Prix , and the Honda Indy Toronto . The popularity of Formula One and motorcycle Grand Prix racing led to the formation of road racing world championships for other types of vehicles. In 1953, the FIA sanctioned a world championship for sports car racing which combined the Le Mans 24 Hours, the Mille Miglia, the 12 Hours of Sebring , the 24 Hours of Spa and the 1000km of

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2464-464: The G-222 transport aircraft program, the company is involved in the new Military Transport Aircraft C-27J Spartan, for the production of outer wings. Since the mid-1990s, Alenia Aermacchi has participated in programs for the supply of engine nacelles for civil aircraft. It produces cold parts for engine nacelles: inlets, fan cowls and EBU, the systems-to-engine interface. In 1999, the company established

2576-581: 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

2688-853: 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

2800-576: 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

2912-553: 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 ,

3024-695: 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

3136-731: 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

3248-886: The North West 200 and the Ulster Grand Prix . In Formula One, street circuits have made a comeback with the Melbourne Grand Prix Circuit and the Baku City Circuit joining the Circuit de Monaco as part of the world championship. There are no street circuits being used in MotoGP racing. . In North America, racing on public streets takes place at the Grand Prix of Long Beach , the Firestone Grand Prix of St. Petersburg ,

3360-690: 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

3472-590: 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

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3584-598: 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

3696-709: 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

3808-707: 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

3920-466: 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

4032-506: 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

4144-401: 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

4256-426: 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

4368-451: 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

4480-402: 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 the latter enabling the strategic bombing of population centres and delivery of the only two nuclear weapons ever used in war. World War II

4592-404: 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

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4704-413: The 'Convertible', with the majority of working parts semi-enclosed, an under-saddle engine and foot boards, a conventional motorcycle fuel tank position and 17 in (430 mm) wheels. It was succeeded in 1953 by the 'Zeffiro' which was offered with a 125 cc or 150 cc two-stroke engine ; these later models had upgraded suspension but remained similar in appearance. In 1955, they produced

4816-411: The 125 cc Monsone, followed by the 150 cc Corsaro, both of which had pivoted fork rear suspension and telescopic front forks . They were two-strokes like the early models and ran a 4-speed gearbox. In 1956 they produced their first over head valve four-stroke engine on the Chimera fitted horizontally, a layout which would become a standard for the marque. Similar to their first offering,

4928-400: The 1910s, the Elgin National Road Races held on public roads around Elgin, Illinois attracted competitors from around the country and drew large crowds of spectators. The first 24 Hours of Le Mans endurance race was held in 1923. The Automobile Racing Club of America was founded in 1933 and became the Sports Car Club of America in 1944. The great majority of road races were run over

5040-409: 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

5152-400: 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

5264-421: 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,

5376-537: The Chimera kept many enclosed working parts. In 1957 they released a series of sport models, powered by a single cylinder ohv engine in 175 cc or 250 cc displacements . Aermacchi continued with scooter production, but sales were poor and they were unable to compete in the market amongst the well established Vespas and Lambrettas , and concentrated solely on the production of motorcycles. In 1960, US business Harley-Davidson motorcycles purchased 50% of Aermacchi's motorcycle division. The Italian branch of

5488-405: 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

5600-455: The FIM. Another motorcycle racing incident occurred at Monza during the 1973 Italian motorcycle Grand Prix when a racing accident claimed the lives of world champion Jarno Saarinen and Renzo Pasolini . After the von Trips accident in 1961, the Monza Circuit had been lined with steel barriers as a result of demands by automobile racers. Most auto racers believed steel barriers would improve safety for auto racers and spectators, but they had

5712-410: 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

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5824-426: 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

5936-453: The Isle of Man TT, lost their world championship status due to their considerable safety risk, their popularity continued to flourish leading to a branch of road racing known as Traditional Road Racing . Traditional road racing on closed public roads is popular in the United Kingdom, New Zealand and parts of Europe. The Duke Road Racing Rankings was established in 2002 to establish rider classifications in traditional road racing events such as

6048-450: 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

6160-400: The Nurburgring . NASCAR held its first road race in 1957 at the Watkins Glen International circuit with Buddy Baker as the winner. The FIA launched the European Touring Car Championship in 1963. The FIA created the International Karting Commission (CIK) in 1962 and, in 1964, the first CIK Karting World Championship was won by Guido Sala . Karting has become a significant step in

6272-452: 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

6384-423: 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

6496-421: 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

6608-418: 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

6720-575: 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

6832-402: 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

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6944-424: 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

7056-489: 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

7168-401: 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

7280-473: 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

7392-399: The United States was typically oval track racing on paved tracks such as the Indianapolis Motor Speedway and the Milwaukee Mile track, or on dirt tracks using widely available horse racing circuits. Automobile dirt track racing would develop into stock car racing . American racing also branched out into drag racing . Road racing traditions in Europe, South America, Great Britain and

7504-434: 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

7616-460: The brand was named 'Aermacchi-Harley-Davidson' and the first bike was a variation of the 'Ala Verde' suitably modified for the American market. This was also the year that the Chimera ceased production. The remaining motorcycle holdings were sold in 1974 to AMF-Harley-Davidson , with motorcycles continuing to be made at Varese. The business was sold to Cagiva in 1978. After the Harley Davidson investment, Aermacchi branched out into racing with

7728-405: 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

7840-403: 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

7952-420: The core business of Alenia Aermacchi. The products include: Alenia Aermacchi has cooperated in international military programs: Alenia Aermacchi takes part in the AMX program with Alenia Aeronautica and Embraer of Brazil with a total share of 24%. Alenia Aermacchi develops and manufactures the fuselage forward and rear sections and installs some avionic equipment in the aircraft. A Mid-Life Updating program

8064-526: 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

8176-665: The creation of sinuous and undulating race courses such as the Nürburgring in the Eifel mountains of Germany and the Circuit de Charade in the Chaîne des Puys in the Massif Central of France. These circuits presented such a challenge that they were both feared and respected by racers. The 20.8 km (12.9 mi) long Nurburgring with more than 300 metres (1,000 feet) of elevation change from its lowest to highest points,

8288-561: The crowd of spectators. In addition to the driver of the race car, 83 spectators were killed and 120 were injured. Auto racing was temporarily banned in several countries after the Le Mans disaster until safety was improved for spectators. Switzerland would not allow circuit racing until the Zürich ePrix in 2018. The Formula One championship experienced its worst tragedy during the 1961 Italian Grand Prix at Monza, when driver Wolfgang von Trips lost control of his Ferrari and crashed into

8400-611: The development of road racers including Formula One world champion Lewis Hamilton . The European Truck Racing Championship was founded in 1985. A Superbike World Championship for road-going production motorcycles was created in 1988 . As road racing grew in popularity it eventually expanded across the globe with Grand Prix road races having been held on six continents. Expansion of the Formula One and MotoGP series has resulted in many dedicated tracks being built, like in Qatar in

8512-427: The directive to prepare for an invasion of the Soviet Union. Road racing Road racing is a North American term to describe motorsport racing held on a paved road surface . The races can be held either on a closed circuit or on a street circuit utilizing temporarily closed public roads . The objective is to complete a predetermined number of circuit laps in the least amount of time, or to accumulate

8624-757: 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

8736-662: 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

8848-511: 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

8960-706: The exception of the Monza circuit, all the Grand Prix races were held on street circuits . The Association Internationale des Automobiles Clubs Reconnus was renamed the Fédération Internationale de l’Automobile in 1946 and, plans were developed for a road racing world championship. In 1950 , the FIA created the Formula One world championship, a competition of seven rounds that included the Indianapolis 500. A Formula I manufacturers' championship

9072-631: 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

9184-864: 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

9296-525: 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

9408-568: The most circuit laps within a predetermined time period. Originally, road races were held almost entirely on public roads. However, public safety concerns eventually led to most races being held on purpose-built racing circuits. Road racing's origins were centered in Western Europe and Great Britain as motor vehicles became more common in the early 20th century. After the Second World War, automobile road races were organized into

9520-696: The number of road racing events on public roads in Europe to decrease over the years. Notable exceptions are the Mille Miglia which was allowed to continue until 1957 and, the Pau Grand Prix which has been held on the city streets of Pau, France since 1933. After the First World War, automobile and motorcycle road racing competitions in Europe and in North America went in different directions. Automobile and motorcycle racing in

9632-769: The number of safety personnel required. These changes saw a dramatic decrease in deaths and accidents. By the 1980s, motorcycle Grand Prix and the Formula One races were held on purpose built race circuits with the exception of the Monaco Grand Prix held on the city streets of Monaco. Street circuits such as the Montjuïc circuit and the Opatija Circuit with their numerous unmovable roadside obstacles, such as trees, stone walls, lampposts and buildings, were gradually removed from world championship competition. Although events held on closed public roads such as

9744-492: The opposite effect for motorcyclists and proved fatal for Saarinen and Pasolini. The dangers of street circuits was further exposed at the 1975 Spanish Grand Prix held on the twisty, tree-lined Montjuich circuit in Barcelona. The racing drivers found that the circuit's safety barriers had been shoddily installed and threatened to strike if the barriers were not brought up to standard. Under pressure from race organizers,

9856-502: 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

9968-589: 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

10080-599: 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

10192-651: The race was started only to be stopped after 29 laps when the car of Rolf Stommelen plowed into the crowd, killing four spectators. By the late 1970s, the popularity of Grand Prix road racing attracted corporate sponsors and lucrative television contracts which, led to an increased level of professionalism. Road racers organized to demand that stricter safety regulations be adopted by sanctioning bodies in relation to race track safety and race organizers requirements. Race circuits that had originally been public roads were widened and modified to include chicanes and run-off areas while, some circuits were shortened to reduce

10304-722: 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 ,

10416-462: 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

10528-498: 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

10640-662: The steeply banked egg-shaped near oval circuit of Brooklands in England , completed in 1906, the Indianapolis Motor Speedway , and the oval, banked speedways constructed in Europe at Monza in 1922 and at Montlhéry in 1924. Road racing on public roads was banned in Great Britain in 1925 when a spectator was injured at the Kop Hill Climb event. The Royal Automobile Club (R.A.C.) and

10752-593: 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,

10864-645: 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

10976-513: 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

11088-475: 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

11200-512: 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

11312-707: 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

11424-614: 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

11536-555: Was begun in 1955. The success of American racers such as Phil Hill and Dan Gurney in Formula One in the late 1950s sparked to a renewal of interest in road racing in the United States and, led to the construction of new road racing circuits such as Riverside International Raceway , Road America and Laguna Seca . The 1964 United States motorcycle Grand Prix was held at the Daytona International Speedway and led to increased international prominence for

11648-531: Was formed by several European automobile clubs. In 1904 the FIM created the international cup for motorcycles. The first international motorcycle road race took place in 1905 at Dourdan , France. After disagreeing with Bennett Cup organizers over regulations limiting the number of entrants, the French automobile manufacturers responded in 1906 by organizing the first French Grand Prix race held at Le Mans. During

11760-624: Was held on July 22, 1894, from Paris to Rouen , France. The first held in the United States was a 54-mile competition from Chicago to Evanston , Illinois and return, held on November 27, 1895. By 1905, the Gordon Bennett Cup , organized by the Automobile Club de France , was considered the most important race in the world. In 1904, the Association Internationale des Automobiles Clubs Reconnus

11872-481: Was killed while competing in the 1972 Isle of Man TT , it sparked a rider's boycott of the event led by multi-time world champion, Giacomo Agostini , a close friend of Parlotti. Once the most prestigious race of the year, the event was increasingly boycotted by the top riders, and in 1976, the Isle of Man TT finally succumbed to pressure for increased safety in racing events and had its world championship status revoked by

11984-478: Was nicknamed "The Green Hell" by Jackie Stewart , due to its challenging nature. The sinuous track layout of the Charade circuit caused some drivers like Jochen Rindt in the 1969 French Grand Prix to complain of motion sickness , and wear open face helmets just in case. In 1949 the FIM introduced the Grand Prix motorcycle racing world championship with the 1949 Isle of Man TT being the inaugural event. With

12096-456: 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

12208-772: 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

12320-673: 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

12432-590: 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

12544-485: Was very fast, with 46hp at 11,000rpm, and weighed only 250lbs. After Harley-Davidson acquired 100% of Aermacchi in 1972, they funded further racing development at the Aermacchi factory, and the racers were branded with Harley-Davidson on their fuel tanks. These two-stroke twins provided Harley-Davidson with their only Grand Prix wins, and four World Championships : 250cc World Championship in 1974 , '75 , and '76 , and

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