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127-600: The Germans fielded the unrelated early 2 cm Flak 28 just after World War I, but the Treaty of Versailles outlawed these weapons and they were sold to Switzerland. The original Flak 30 design was developed from the Solothurn ST-5 as a project for the Kriegsmarine , which produced the 20 mm C/30 . The gun fired the "Long Solothurn", a 20 × 138 mm belted cartridge that had been developed for

254-564: A heavy machine gun designed by John Browning and used by US forces during WWI . It became the basis of the much more common Browning M1919 machine gun, used by US forces throughout World War II, as well as the Browning M2 .50 caliber heavy machine gun, which is still in service, as well as many adaptions, such as the Japanese Ho-103 aircraft machine gun during World War II . Another legendarily reliable heavy machine gun

381-599: A peace treaty signed on 28 June 1919. As the most important treaty of World War I , it ended the state of war between Germany and most of the Allied Powers . It was signed in the Palace of Versailles , exactly five years after the assassination of Archduke Franz Ferdinand , which led to the war. The other Central Powers on the German side signed separate treaties. Although the armistice of 11 November 1918 ended

508-638: A "peace without victory". This position fluctuated following the US entry into the war. Wilson spoke of the German aggressors, with whom there could be no compromised peace. On 8 January 1918, however, Wilson delivered a speech (known as the Fourteen Points ) that declared the American peace objectives: the rebuilding of the European economy , self-determination of European and Middle Eastern ethnic groups,

635-487: A consequence of the war imposed upon them by the aggression of Germany and her allies." The other members of the Central Powers signed treaties containing similar articles. This article, Article 231 , became known as the "War Guilt" clause. Critics including John Maynard Keynes declared the treaty too harsh, styling it as a " Carthaginian peace ", and saying the reparations were excessive and counterproductive. On

762-529: A fairer, better world are not written in this treaty". Lord Robert Cecil said that many within the Foreign Office were disappointed by the treaty. The treaty received widespread approval from the general public. Bernadotte Schmitt wrote that the "average Englishman ... thought Germany got only what it deserved" as a result of the treaty, but public opinion changed as German complaints mounted. Former wartime British Prime Minister H. H. Asquith and

889-472: A few seconds by a trained crew. Problems with overheating can range from ammunition firing unintentionally ( cook-off ), or, what is much worse in combat, failure to fire, or even explosion of the weapon. Water-cooled weapons can achieve very high effective rates of fire (approaching their cyclic rate) but are very heavy and vulnerable to damage. A well-known example is the M1917 Browning machine gun ,

1016-522: A just and democratic peace uncompromised by territorial annexation . The Fourteen Points were based on the research of the Inquiry , a team of about 150 advisors led by foreign-policy advisor Edward M. House , into the topics likely to arise in the expected peace conference. During the autumn of 1918, the Central Powers began to collapse. Desertion rates within the German army began to increase, and civilian strikes drastically reduced war production. On

1143-609: A large variety of German ships. The MG C/30L variant was also used experimentally as an aircraft weapon, notably on the Heinkel He 112 , where its high power allowed it to penetrate armoured cars and the light tanks of the era during the Spanish Civil War . Rheinmetall then started an adaptation of the C/30 for Army use, producing the 2 cm Flak 30 . Generally similar to the C/30, the main areas of development were

1270-517: A lighter version of the Flak 38, which they introduced as the 2 cm Gebirgsflak 38 ( 2 cm GebFlak 38 ). It featured a dramatically simplified mount using a tripod that raised the entire gun off the ground, with the additional benefit of allowing the weapon to be set up on an uneven surface. These changes reduced the overall weight of the gun to 276.0 kg. Production started in 1941 and it entered service in 1942. A range of 20x138B ammunition

1397-418: A machine gun for longer periods than just a few seconds the cyclic firing rate becomes less important. For a third hybrid class of weapons, common in handguns and rifles, known as a semi-automatic firearm , the rate of fire is primarily governed by the ability of the operator to actively pull the trigger and, for aimed fire, the operator's shot-to-shot recovery time. No other factors significantly contribute to

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1524-464: A maximum of seven infantry and three cavalry divisions. The treaty laid down the organisation of the divisions and support units, and the General Staff was to be dissolved. Military schools for officer training were limited to three, one school per arm, and conscription was abolished. Private soldiers and non-commissioned officers were to be retained for at least twelve years and officers for

1651-437: A maximum working day and week; the regulation of the labour supply; the prevention of unemployment ; the provision of a living wage; the protection of the worker against sickness, disease and injury arising out of his employment; the protection of children, young persons and women; provision for old age and injury; protection of the interests of workers when employed abroad; recognition of the principle of freedom of association ;

1778-430: A minimum of 25 years, with former officers being forbidden to attend military exercises. To prevent Germany from building up a large cadre of trained men, the number of men allowed to leave early was limited. The number of civilian staff supporting the army was reduced and the police force was reduced to its pre-war size, with increases limited to population increases; paramilitary forces were forbidden. The Rhineland

1905-462: A mutilated victory, replying at nationalists calling for a greater expansion that "Italy today is a great state....on par with the great historic and contemporary states. This is, for me, our main and principal expansion." Francesco Saverio Nitti took Orlando's place in signing the treaty of Versailles. The Italian leadership were divided on whether to try the Kaiser. Sonnino considered that putting

2032-461: A nationwide speaking tour in the summer of 1919 to refute them. But Wilson collapsed midway with a serious stroke that effectively ruined his leadership skills. The closest the treaty came to passage was on 19 November 1919, as Lodge and his Republicans formed a coalition with the pro-treaty Democrats, and were close to a two-thirds majority for a Treaty with reservations, but Wilson rejected this compromise and enough Democrats followed his lead to end

2159-598: A position opposed by the Dominions . Together with the French, the British favoured putting German war criminals on trial, and included the Kaiser in this. Already in 1916 Herbert Asquith had declared the intention "to bring to justice the criminals, whoever they be and whatever their station", and a resolution of the war cabinet in 1918 reaffirmed this intent. Lloyd George declared that the British people would not accept

2286-540: A promised transfer of British Jubaland and French Aozou strip to the Italian colonies of Somalia and Libya respectively. Italian nationalists , however, saw the War as a " mutilated victory " for what they considered to be little territorial gains achieved in the other treaties directly impacting Italy's borders. Orlando was ultimately forced to abandon the conference and resign. Orlando refused to see World War I as

2413-467: A second telegram with a confirmation that a German delegation would arrive shortly to sign the treaty. On 28 June 1919, the fifth anniversary of the assassination of Archduke Franz Ferdinand (the immediate impetus for the war), the peace treaty was signed. The treaty had clauses ranging from war crimes, the prohibition on the merging of the Republic of German Austria with Germany without the consent of

2540-637: A similar proposal to the Senate . Clemenceau had told the Chamber of Deputies , in December 1918, that his goal was to maintain an alliance with both countries. Clemenceau accepted the offer, in return for an occupation of the Rhineland for fifteen years and that Germany would also demilitarise the Rhineland. French negotiators required reparations, to make Germany pay for the destruction induced throughout

2667-431: A surrender. The United States entered the war against the Central Powers in 1917 and President Woodrow Wilson played a significant role in shaping the peace terms. His expressed aim was to detach the war from nationalistic disputes and ambitions. On 8 January 1918, Wilson issued the Fourteen Points . They outlined a policy of free trade , open agreements , and democracy. While the term was not used, self-determination

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2794-456: A switch. Over time, weapons have attained higher rates of fire. A small infantry unit armed with modern rifles and machine guns can generate more firepower than much larger units equipped with older weapons. Over the 20th century, this increased firepower was due almost entirely to the higher rate of fire of modern weapons. An example of increase in rate of fire is the Maxim machine gun that

2921-487: A treaty that did not include terms on this, though he wished to limit the charges solely to violation of the 1839 treaty guaranteeing Belgian neutrality. The British were also well aware that the Kaiser having sought refuge in the Netherlands meant that any trial was unlikely to take place and therefore any Article demanding it was likely to be a dead letter. Before the American entry into the war, Wilson had talked of

3048-521: A triangular base with a jack at each leg for levelling the gun. The tracker traversed and elevated the mount manually using two handwheels. When raised, the weapon measured 307 cm (10 feet 1 inch) high. Each of the four guns had a separate magazine that held only 20 rounds. This meant that a maximum combined rate of fire of 1,400 rounds per minute was reduced practically to 800 rounds per minute for combat use – which would still require that an emptied magazine be replaced every six seconds, on each of

3175-450: A use. Indeed, it came as a surprise when Rheinmetall introduced the 2 cm Flakvierling 38 , which improved the weapon just enough to make it competitive again. The term Vierling literally translates to "quadruplet" and refers to the four 20 mm autocannon constituting the design. The Flakvierling weapon consisted of quad-mounted 2 cm Flak 38 AA guns with collapsing seats, folding handles, and ammunition racks. The mount had

3302-465: A weapon can be useful for determining ammunition reserve and resupply requirements. Machine guns are typically fired in short bursts to preserve ammunition and barrel life, reserving long strings of fire for emergencies. Sustained rate-of-fire also applies to box magazine fed assault rifles and semi-automatic rifles , although these weapons rarely expend ammunition at the same rate as light machine guns . Rapid or sustained rate of fire may be considered

3429-475: A weapon could be expected to realistically withstand or output in a realistic environment. On paper, the M134 is capable of firing up to 6,000 rpm. Realistically, firing the weapon for a continuous sixty seconds would likely melt parts of the weapon. Sustained rate-of-fire depends on several factors, including reloading, aiming, barrel changes, cartridge fired, and user expertise. Knowing the effective rate of fire for

3556-527: A weapon of this calibre. Rheinmetall responded with the 2 cm Flak 38 , which was otherwise similar but increased the rate of fire by 220 RPM and slightly lowered overall weight to 420 kg. The Flak 38 was accepted as the standard Army gun in 1939, and by the Kriegsmarine as the C/38 . In order to provide airborne and mountain troops with an AA capability, Mauser was contracted to produce

3683-554: A weapon's absolute maximum firing rate. The term sustained refers to firing a fully-automatic weapon continuously, while rapid is limited to semi-automatic or manually operated firearms. Rapid and sustained fire are usually reserved for close-range defense against ambushes or human wave attacks . Such scenarios trade control, ammunition, and even aiming for sheer volume of fire. These fire rates push weapons and soldiers to their physical limits and cannot be sustained for long periods. The major limitation in higher rates of fire arises due to

3810-660: Is not peace. It is an armistice for twenty years."; a criticism over the failure to annex the Rhineland and for compromising French security for the benefit of the United States and Britain. When Clemenceau stood for election as President of France in January 1920, he was defeated. Reaction in the Kingdom of Italy to the treaty was extremely negative. The country had suffered high casualties, yet failed to achieve most of its major war goals, notably gaining control of

3937-407: Is pushed forward to either fire again or catch on the sear . Typical cyclic rates of fire are 600–1100 rpm for assault rifles , 400–1400 rpm for submachine guns and machine pistols , and 600–1,500 rpm for machine guns . M134 Miniguns mounted on attack helicopters and other combat vehicles can achieve rates of fire of over 100 rounds per second (6,000 rpm). This is the duration of firing that

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4064-674: Is the British Vickers machine gun , based on the Maxim machine gun design, which saw service both on the air and ground during World War I and World War II. Due to their disadvantages, water-cooled weapons have gradually been replaced by much lighter air-cooled weapons. For weapons mounted on aircraft , no cooling device is necessary due to the outside air cooling the weapon as the aircraft is moving. Consequently, aircraft-mounted machine guns, autocannon or Gatling-type guns can sustain fire far longer than ground-based counterparts, firing close to their cyclic rate of fire. However, due to

4191-406: Is usually measured in rounds per minute (RPM or round/min) or rounds per second (RPS or round/s). There are three different measurements for the rate of fire: cyclic, sustained, and rapid. Cyclic is the maximum rate of fire given only mechanical function, not taking into account degradation of function due to heat, wear, or ammunition constraints. Sustained is the maximum efficient rate of fire given

4318-642: The Atlantic Ocean . The Blockade of Germany was a naval operation conducted by the Allied Powers to stop the supply of raw materials and foodstuffs reaching the Central Powers. The German Kaiserliche Marine was mainly restricted to the German Bight and used commerce raiders and unrestricted submarine warfare for a counter-blockade. The German Board of Public Health in December 1918 stated that 763,000 German civilians had died during

4445-935: The Central Powers (led by Germany) and the Triple Entente (led by Britain, France and Russia). Other countries entered as fighting raged widely across Europe , as well as the Middle East , Africa and Asia . Having seen the overthrow of the Tsarist regime in the February Revolution and the Kerensky government in the October Revolution , the new Russian Soviet Federative Socialist Republic under Vladimir Lenin in March 1918 signed

4572-603: The Dalmatian coast and Fiume . President Wilson rejected Italy's claims on the basis of "national self-determination." For their part, Britain and France—who had been forced in the war's latter stages to divert their own troops to the Italian front to stave off collapse—were disinclined to support Italy's position at the peace conference. Differences in negotiating strategy between Premier Vittorio Orlando and Foreign Minister Sidney Sonnino further undermined Italy's position at

4699-606: The Free City of Danzig . Article 119 of the treaty required Germany to renounce sovereignty over former colonies and Article 22 converted the territories into League of Nations mandates under the control of Allied states. Togoland and German Kamerun (Cameroon) were transferred to France, aside from portions given to Britain, British Togoland and British Cameroon . Ruanda and Urundi were allocated to Belgium, whereas German South-West Africa went to South Africa and Britain obtained German East Africa . As compensation for

4826-651: The Greater Poland Uprising , was also to be ceded to Poland. Pomerelia (Eastern Pomerania), on historical and ethnic grounds, was transferred to Poland so that the new state could have access to the sea and became known as the Polish Corridor . The sovereignty of part of southern East Prussia was to be decided via plebiscite while the East Prussian Soldau area , which was astride the rail line between Warsaw and Danzig ,

4953-539: The Independent Liberal opposition in the British Parliament after the 1918 general election believed the treaty was too punitive. Asquith campaigned against it while running for another House of Commons seat in the 1920 Paisley by-election . Prime Minister Ramsay MacDonald , following the German re-militarisation of the Rhineland in 1936, stated that he was "pleased" that the treaty

5080-586: The Quai d'Orsay in Paris. Initially, 70 delegates from 27 nations participated in the negotiations. Russia was excluded due to their signing of a separate peace (the Treaty of Brest-Litovsk ) and early withdrawal from the war. Furthermore, German negotiators were excluded to deny them an opportunity to divide the Allies diplomatically. Initially, a "Council of Ten" (comprising two delegates each from Britain, France,

5207-528: The Quai d'Orsay . War broke out following the July Crisis in 1914. Austria-Hungary declared war on Serbia, followed quickly by Germany declaring war on Russia on 1 August, and on Belgium and France on 3 August. The German invasion of Belgium on 3 August led to a declaration of war by Britain on Germany on 4 August, creating the conflict that became the First World War . Two alliances faced off,

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5334-520: The South African delegation) wrote to Lloyd-George, before the signing, that the treaty was unstable and declared "Are we in our sober senses or suffering from shellshock? What has become of Wilson's 14 points?" He wanted the Germans not be made to sign at the "point of the bayonet". Smuts issued a statement condemning the treaty and regretting that the promises of "a new international order and

5461-639: The Treaty of Brest-Litovsk , amounting to a surrender that was highly favourable to Germany. Sensing victory before the American Expeditionary Forces could be ready, Germany now shifted forces to the Western Front and tried to overwhelm the Allies. It failed. Instead, the Allies won decisively on the battlefield, overwhelmed Germany's Turkish, Austrian, and Bulgarian allies, and forced an armistice in November 1918 that resembled

5588-470: The Wehrmacht had doubts about its effectiveness, given the ever-increasing speeds of low-altitude fighter-bombers and attack aircraft. The Army in particular felt the proper solution was the introduction of the 37 mm calibre weapons they had been developing since the 1920s, which had a rate of fire about the same as the Flak 38 but fired a round with almost eight times the weight. This not only made

5715-877: The Western Front , the Allied forces launched the Hundred Days Offensive and decisively defeated the German western armies. Sailors of the Imperial German Navy at Kiel mutinied in response to the naval order of 24 October 1918 , which prompted uprisings in Germany, which became known as the German Revolution . The German government tried to obtain a peace settlement based on the Fourteen Points, and maintained it

5842-602: The Young Plan . Bitter resentment of the treaty powered the rise of the Nazi Party , and eventually the outbreak of a second World War . Although it is often referred to as the "Versailles Conference", only the actual signing of the treaty took place at the historic palace. Most of the negotiations were in Paris, with the "Big Four" meetings taking place generally at the French Ministry of Foreign Affairs on

5969-421: The "Big Three" following the temporary withdrawal of Orlando). These four men met in 145 closed sessions to make all the major decisions, which were later ratified by the entire assembly. The minor powers attended a weekly "Plenary Conference" that discussed issues in a general forum but made no decisions. These members formed over 50 commissions that made various recommendations, many of which were incorporated into

6096-676: The Allied blockade, although an academic study in 1928 put the death toll at 424,000 people. The blockade was maintained for eight months after the Armistice in November 1918, into the following year of 1919. Foodstuffs imports into Germany were controlled by the Allies after the Armistice with Germany until Germany signed the Treaty of Versailles in June 1919. In March 1919, Churchill informed

6223-467: The Allies declared that war would resume if the German government did not sign the treaty they had agreed to among themselves. The government headed by Philipp Scheidemann was unable to agree on a common position, and Scheidemann himself resigned rather than agree to sign the treaty. Gustav Bauer , the head of the new government, sent a telegram stating his intention to sign the treaty if certain articles were withdrawn, including Articles 227 to 231 (i.e.,

6350-400: The American peace delegation, and the overall American position echoed the Fourteen Points. Wilson firmly opposed harsh treatment on Germany. While the British and French wanted to largely annex the German colonial empire, Wilson saw that as a violation of the fundamental principles of justice and human rights of the native populations, and favored them having the right of self-determination via

6477-468: The Americans differed to the British and French in that Wilson's proposal was that any trial of the Kaiser should be solely a political and moral affair, and not one of criminal responsibility, meaning that the death penalty would be precluded. This was based on the American view, particularly those of Robert Lansing , that there was no applicable law under which the Kaiser could be tried. Additionally,

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6604-424: The Americans favoured trying other German war criminals before military tribunals rather than an international court, with prosecutions being limited to "violation[s] of the laws and customs of war", and opposed any trials based on violations against what was called " laws of humanity ". Vittorio Emanuele Orlando and his foreign minister Sidney Sonnino , an Anglican of British origins, worked primarily to secure

6731-567: The Articles related to the extradition of the Kaiser for trial, the extradition of German war criminals for trial before Allied tribunals, the handing over of documents relevant for war crimes trials, and accepting liability for war reparations). In response, the Allies issued an ultimatum stating that Germany would have to accept the treaty or face an invasion of Allied forces across the Rhine within 24 hours. On 23 June, Bauer capitulated and sent

6858-664: The British Empire. Lloyd George also intended to maintain a European balance of power to thwart a French attempt to establish itself as the dominant European power. A revived Germany would be a counterweight to France and a deterrent to Bolshevik Russia. Lloyd George also wanted to neutralize the German navy to keep the Royal Navy as the greatest naval power in the world; dismantle the German colonial empire with several of its territorial possessions ceded to Britain and others being established as League of Nations mandates ,

6985-510: The Commonwealth and British Government had mixed thoughts on the treaty, with some seeing the French policy as being greedy and vindictive. Lloyd George and his private secretary Philip Kerr believed in the treaty, although they also felt that the French would keep Europe in a constant state of turmoil by attempting to enforce the treaty. Delegate Harold Nicolson wrote "are we making a good peace?", while General Jan Smuts (a member of

7112-457: The Dominions. The four Dominions and India all signed the Treaty separately from Britain, a clear recognition by the international community that the Dominions were no longer British colonies. "Their status defied exact analysis by both international and constitutional lawyers, but it was clear that they were no longer regarded simply as colonies of Britain." By signing the Treaty individually,

7239-407: The Fourteen Points, because Europe would eventually have to reconcile with Germany. Lloyd George wanted terms of reparation that would not cripple the German economy, so that Germany would remain a viable economic power and trading partner. By arguing that British war pensions and widows' allowances should be included in the German reparation sum, Lloyd George ensured that a large amount would go to

7366-514: The French and Germans held separate talks, on mutually acceptable arrangements on issues like reparation, reconstruction and industrial collaboration. France, along with the British Dominions and Belgium, opposed League of Nations mandates and favored annexation of former German colonies . The French, who had suffered significantly in the areas occupied by Germany during the war, were in favour of trying German war criminals, including

7493-472: The German evacuation of German-occupied France , Belgium , Luxembourg , Alsace-Lorraine, and the left bank of the Rhine (all of which were to be administered by the Allies under the armistice agreement), the surrender of a large quantity of war materiel, and the agreed payment of "reparation for damage done". German forces evacuated occupied France, Belgium, and Luxembourg within the fifteen days required by

7620-580: The German invasion of Portuguese Africa, Portugal was granted the Kionga Triangle , a sliver of German East Africa in northern Mozambique . Article 156 of the treaty transferred German concessions in Shandong , China, to Japan, not to China. Japan was granted all German possessions in the Pacific north of the equator and those south of the equator went to Australia, except for German Samoa , which

7747-466: The House of Commons, that the ongoing blockade was a success and "Germany is very near starvation." From January 1919 to March 1919, Germany refused to agree to Allied demands that Germany surrender its merchant ships to Allied ports to transport food supplies. Some Germans considered the armistice to be a temporary cessation of the war and knew, if fighting broke out again, their ships would be seized. Over

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7874-476: The Kaiser on trial could result in him becoming a "patriotic martyr". Orlando, in contrast, stated that "the ex-Kaiser ought to pay like other criminals", but was less sure about whether the Kaiser should be tried as a criminal or merely have a political verdict cast against him. Orlando also considered that "[t]he question of the constitution of the Court presents almost insurmountable difficulties". In June 1919,

8001-414: The Kaiser. In the face of American objections that there was no applicable existing law under which the Kaiser could be tried, Clemenceau took the view that the "law of responsibility" overruled all other laws and that putting the Kaiser on trial offered the opportunity to establish this as an international precedent. Britain had suffered heavy financial costs but suffered little physical devastation during

8128-437: The League of Nations confirmed the change of status on 20 September 1920, with the line of the German-Belgian border finally fixed by a League of Nations commission in 1922. To compensate for the destruction of French coal mines, Germany was to cede the output of the Saar coalmines to France and control of the Saar to the League of Nations for 15 years; a plebiscite would then be held to decide sovereignty. The treaty restored

8255-431: The League of Nations, freedom of navigation on major European rivers , to the returning of a Quran to the king of Hedjaz . The treaty stripped Germany of 65,000 km (25,000 sq mi) of territory and 7 million people. It also required Germany to give up the gains made via the Treaty of Brest-Litovsk and grant independence to the protectorates that had been established. In Western Europe , Germany

8382-485: The Rhineland and bridgeheads east of the Rhine were to be occupied by Allied troops for fifteen years. If Germany had not committed aggression, a staged withdrawal would take place; after five years, the Cologne bridgehead and the territory north of a line along the Ruhr would be evacuated. After ten years, the bridgehead at Coblenz and the territories to the north would be evacuated and after fifteen years remaining Allied forces would be withdrawn. If Germany reneged on

8509-422: The ST-5 and was one of the more powerful 20 mm rounds. The C/30, featuring a barrel length of 65 calibres , had a fire rate of about 120 rounds per minute. It proved to have feeding problems and would often jam, which was offset to some degree by its undersized 20 round-magazine which tended to make reloading a frequent necessity. Nevertheless, the C/30 became the primary shipborne light AA weapon and equipped

8636-435: The United States, Italy, and Japan) met officially to decide the peace terms. This council was replaced by the "Council of Five", formed from each country's foreign ministers, to discuss minor matters. French Prime Minister Georges Clemenceau , Italian Prime Minister Vittorio Emanuele Orlando , British Prime Minister David Lloyd George , and United States President Woodrow Wilson formed the " Big Four " (at one point becoming

8763-467: The Versailles conference, Democratic President Woodrow Wilson claimed that "at last the world knows America as the savior of the world!" However, Wilson had refused to bring any leading members of the Republican party, led by Henry Cabot Lodge , into the talks. The Republicans controlled the United States Senate after the election of 1918, and were outraged by Wilson's refusal to discuss the war with them. The senators were divided into multiple positions on

8890-455: The Versailles question. It proved possible to build a majority coalition, but impossible to build a two-thirds coalition that was needed to pass a treaty. A discontent bloc of 12–18 " Irreconcilables ", mostly Republicans but also representatives of the Irish and German Democrats, fiercely opposed the treaty. One bloc of Democrats strongly supported the Versailles Treaty, even with reservations added by Lodge. A second group of Democrats supported

9017-453: The actual fighting, and agreed certain principles and conditions including the payment of reparations, it took six months of Allied negotiations at the Paris Peace Conference to conclude the peace treaty. Germany was not allowed to participate in the negotiations before signing the treaty. The treaty required Germany to disarm , make territorial concessions, extradite alleged war criminals, agree to Kaiser Wilhelm being put on trial, recognise

9144-480: The area to the Republic of China 's control. Further confounding the Americans, was US internal partisan politics. In November 1918, the Republican Party won the Senate election by a slim margin. Wilson, a Democrat , refused to include prominent Republicans in the American delegation making his efforts seem partisan, and contributed to a risk of political defeat at home. On the subject of war crimes,

9271-480: The armistice agreement. By late 1918, Allied troops had entered Germany and began the occupation of the Rhineland under the agreement, in the process establishing bridgeheads across the Rhine in case of renewed fighting at Cologne, Koblenz, and Mainz. Allied and German forces were additionally to be separated by a 10 km-wide demilitarised zone. Both Germany and Great Britain were dependent on imports of food and raw materials, most of which had to be shipped across

9398-619: The chances of ratification permanently. Among the American public as a whole, the Irish Catholics and the German Americans were intensely opposed to the treaty, saying it favored the British. Rate of fire Rate of fire is the frequency at which a specific weapon can fire or launch its projectiles. This can be influenced by several factors, including operator training level, mechanical limitations, ammunition availability, and weapon condition. In modern weaponry, it

9525-464: The conference. A furious Vittorio Orlando suffered a nervous collapse and at one point walked out of the conference (though he later returned). He lost his position as prime minister just a week before the treaty was scheduled to be signed, effectively ending his active political career. Anger and dismay over the treaty's provisions helped pave the way for the establishment of Benito Mussolini 's Fascist dictatorship three years later. Portugal entered

9652-600: The continuation blockade after the armistice. In the UK, Labour Party member and anti-war activist Robert Smillie issued a statement in June 1919 condemning continuation of the blockade, claiming 100,000 German civilians had died as a result. Talks between the Allies to establish a common negotiating position started on 18 January 1919, in the Salle de l'Horloge (Clock Room) at the French Foreign Ministry on

9779-603: The creation of mandates. The promoted idea called for the major powers to act as disinterested trustees over a region, aiding the native populations until they could govern themselves. In spite of this position and in order to ensure that Japan did not refuse to join the League of Nations, Wilson favored turning over the former German colony of Shandong , in Eastern China , to the Japanese Empire rather than return

9906-569: The design of the bolt or magazine release can affect the rate of fire. For artillery pieces, a gun on a towed mount can usually achieve a higher rate of fire than the same weapon mounted within the cramped confines of a tank or self-propelled gun . This is because the crew operating in the open can move more freely and can stack ammunition where it is most convenient. Inside a vehicle, ammunition storage may not be optimized for fast handling due to other design constraints, and crew movement may be constricted. Artillery rates of fire were increased in

10033-588: The exact amount which Germany would pay and the form that such payment would take. The commission was required to "give to the German Government a just opportunity to be heard", and to submit its conclusions by 1 May 1921 . In the interim, the treaty required Germany to pay an equivalent of 20 billion gold marks ($ 5 billion) in gold, commodities, ships, securities or other forms. The money would help to pay for Allied occupation costs and buy food and raw materials for Germany. To ensure compliance,

10160-507: The final text of the treaty. France had lost 1.3 million soldiers, including 25% of French men aged 18–30, as well as 400,000 civilians. France had also been more physically damaged than any other nation; the so-called zone rouge (Red Zone), the most industrialized region and the source of most coal and iron ore in the north-east, had been devastated, and in the final days of the war, mines had been flooded and railways, bridges and factories destroyed. Clemenceau intended to ensure

10287-521: The four Dominions and India also were founding members of the League of Nations in their own right, rather than simply as part of the British Empire. The signing of the treaty was met with roars of approval, singing, and dancing from a crowd outside the Palace of Versailles. In Paris proper, people rejoiced at the official end of the war, the return of Alsace and Lorraine to France, and that Germany had agreed to pay reparations. While France ratified

10414-528: The four guns. This is the attainable rate of fire ; the sustained rate of fire is significantly lower due to heat buildup and barrel erosion. Automatic weapons are typically limited to roughly 100 rounds per minute per barrel to give time for the heat to dissipate, although this can be exceeded for short periods if the firing window is brief. The gun was fired by two pedals — each of which fired two diametrically opposite barrels — in either semi-automatic or automatic mode. The effective vertical range

10541-523: The independence of Poland , which had regained its independence following a national revolution against the occupying Central Powers, and renounce "all rights and title" over Polish territory. Portions of Upper Silesia were to be ceded to Poland, with the future of the rest of the province to be decided by plebiscite. The border would be fixed with regard to the vote and to the geographical and economic conditions of each locality. The Province of Posen (now Poznań ), which had come under Polish control during

10668-555: The independence of states whose territory had previously been part of the German Empire, and pay reparations to the Entente powers. The most critical and controversial provision in the treaty was: "The Allied and Associated Governments affirm and Germany accepts the responsibility of Germany and her allies for causing all the loss and damage to which the Allied and Associated Governments and their nationals have been subjected as

10795-497: The judges were to "fix such punishment which it considers should be imposed". The death penalty was therefore not precluded. Article 228 allowed the Allies to demand the extradition of German war criminals, who could be tried before military tribunals for crimes against "the laws and customs of war" under Article 229. To provide an evidentiary basis for such trials, Article 230 required the German government to transfer information and documents relevant to such trials. The delegates of

10922-448: The late 19th century by innovations including breech-loading and quick-firing guns . For automatic weapons such as machine guns , the rate of fire is primarily a mechanical property. A high cyclic firing rate is advantageous for use against targets that are exposed to a machine gun for a limited time span, like aircraft or targets that minimize their exposure time by quickly moving from cover to cover. For targets that can be fired on by

11049-404: The mount, which was fairly compact. Set-up could be accomplished by dropping the gun off its two-wheeled trailer, "Sonderanhänger 51" (trailer 51) and levelling the gun using hand cranks. The result was a triangular base that permitted fire in all directions. But the main problem with the design remained unsolved. The rate of fire of 120 RPM (rounds per minute) was not particularly fast for

11176-483: The ocean. Not even Napoleon himself could touch England. You are both sheltered; we are not". The French wanted a frontier on the Rhine , to protect France from a German invasion and compensate for French demographic and economic inferiority. American and British representatives refused the French claim and after two months of negotiations, the French accepted a British pledge to provide an immediate alliance with France if Germany attacked again, and Wilson agreed to put

11303-618: The organization of vocational and technical education and other measures. The treaty also called for the signatories to sign or ratify the International Opium Convention . Article 227 of the Versailles treaty required the handing over of Kaiser Wilhelm for trial "for supreme offence against international treaties and the sanctity of treaties" before a bench of five allied judges – one British, one American, one French, one Italian, and one Japanese. If found guilty

11430-406: The other hand, prominent Allied figures such as French Marshal Ferdinand Foch criticized the treaty for treating Germany too leniently. This is still the subject of ongoing debate by historians and economists. The result of these competing and sometimes conflicting goals among the victors was a compromise that left no one satisfied. In particular, Germany was neither pacified nor conciliated, nor

11557-525: The partition of the Habsburg Empire and their attitude towards Germany was not as hostile. Generally speaking, Sonnino was in line with the British position while Orlando favored a compromise between Clemenceau and Wilson. Within the negotiations for the Treaty of Versailles, Orlando obtained certain results such as the permanent membership of Italy in the security council of the League of Nations and

11684-435: The peace conference. Her promised share of German reparations never materialized, and a seat she coveted on the executive council of the new League of Nations went instead to Spain —which had remained neutral in the war. In the end, Portugal ratified the treaty, but got little out of the war, which cost more than 8,000 Portuguese Armed Forces troops and as many as 100,000 of her African colonial subjects their lives. After

11811-480: The problem of heat. Even a manually operated rifle generates heat as rounds are fired. A machine gun builds up heat so rapidly that steps must be taken to prevent overheating . Solutions include making barrels heavier so that they heat up more slowly, making barrels rapidly replaceable by the crews, or using water jackets around the barrel to cool the weapon. A modern machine gun team will carry at least one spare barrel for their weapon, which can be swapped out within

11938-406: The promotion of free trade, the creation of appropriate mandates for former colonies, and above all, the creation of a powerful League of Nations that would ensure the peace. The aim of the latter was to provide a forum to revise the peace treaties as needed, and deal with problems that arose as a result of the peace and the rise of new states. Wilson brought along top intellectuals as advisors to

12065-528: The provinces of Alsace-Lorraine to France by rescinding the treaties of Versailles and Frankfurt of 1871 as they pertained to this issue. France was able to make the claim that the provinces of Alsace-Lorraine were indeed part of France and not part of Germany by disclosing a letter sent from the Prussian King to the Empress Eugénie that Eugénie provided, in which William I wrote that

12192-606: The purpose of the design, do carry more, such as the GAU-8 Avenger mounted on the A-10 Thunderbolt, which carries 1,150 rounds of ammunition sufficient for 17 seconds of firing). Another factor influencing rate of fire is the supply of ammunition. At 50 rps (3,000 rpm), a five-second burst from an M134 Minigun would use approximately 6.3 kilograms (14 lb) of 7.62 mm ammunition; this alone would make it an impractical weapon for infantry who have to carry

12319-469: The rate of fire. Generally, a semi-automatic firearm automatically chambers a round using blowback energy, but does not fire the new round until the trigger is released to a reset point and actively pulled again. A semi-automatic's rate of fire is significantly different from and should not be confused with a full-automatic 's rate of fire. Many full-automatic small arms have a selective fire feature that 'downgrades' them to semi-automatic mode by changing

12446-407: The rounds deadlier on impact, but their higher energy and ballistic coefficient allowed them to travel much longer distances, allowing the gun to engage targets at longer ranges. This meant it could keep enemy aircraft under fire over longer time spans. The 20 mm weapons had always had weak development perspectives, often being reconfigured or redesigned just enough to allow the weapons to find

12573-471: The security of France, by weakening Germany economically, militarily, territorially and by supplanting Germany as the leading producer of steel in Europe. British economist and Versailles negotiator John Maynard Keynes summarized this position as attempting to "set the clock back and undo what, since 1870, the progress of Germany had accomplished." Clemenceau told Wilson: "America is far away, protected by

12700-446: The territories of Alsace-Lorraine were requested by Germany for the sole purpose of national defense and not to expand the German territory. The sovereignty of Schleswig-Holstein was to be resolved by a plebiscite to be held at a future time (see Schleswig Plebiscites ). In Central Europe Germany was to recognize the independence of Czechoslovakia and cede parts of the province of Upper Silesia to them. Germany had to recognize

12827-497: The time taken to load the weapon and keep it cool enough to operate. Finally, rapid is the maximum reasonable rate of fire in an emergency when the rate of fire need not be upheld for long periods. For manually operated weapons such as bolt-action rifles or artillery pieces, the rate of fire is governed primarily by the training of the operator or crew, within some mechanical limitations. Rate of fire may also be affected by ergonomic factors. For rifles, ease-of-use features such as

12954-493: The treaty and was active in the League, the jubilant mood soon gave way to a political backlash for Clemenceau. The French Right saw the treaty as being too lenient and saw it as failing to achieve all of France's demands. Left -wing politicians attacked the treaty and Clemenceau for being too harsh (the latter turning into a ritual condemnation of the treaty, for politicians remarking on French foreign affairs, as late as August 1939). Marshal Ferdinand Foch stated "this (treaty)

13081-595: The treaty but followed Wilson in opposing any amendments or reservations. The largest bloc, led by Senator Lodge, comprised a majority of the Republicans. They wanted a treaty with "reservations", especially on Article 10, so that the League of Nations could not draw the US into war without the consent of the US Congress. All of the Irreconcilables were bitter enemies of President Wilson, and he launched

13208-652: The treaty obligations, the bridgeheads would be reoccupied immediately. Part I of the treaty, in common with all the treaties signed during the Paris Peace Conference , was the Covenant of the League of Nations , which provided for the creation of the League, an organization for the arbitration of international disputes. Part XIII organized the establishment of the International Labour Office , to regulate hours of work, including

13335-549: The vehicles it could be mounted to included its use even on tank hulls to produce fully armoured mobile anti-aircraft vehicles, such as the Panzer IV -based low-production Wirbelwind and original Möbelwagen prototype-design, anti-aircraft tanks. In Kriegsmarine use, it was fitted to U-boats , Siebel ferries and ships to provide short-range anti-aircraft defence, and was also employed in fixed installations around ports, harbours and other strategic naval targets. The Flakvierling

13462-464: The war and to decrease German strength. The French also wanted the iron ore and coal of the Saar Valley , by annexation to France. The French were willing to accept a smaller amount of World War I reparations than the Americans would concede and Clemenceau was willing to discuss German capacity to pay with the German delegation, before the final settlement was drafted. In April and May 1919,

13589-410: The war on the Allied side in 1916 primarily to ensure the security of its African colonies , which were threatened with seizure by both Britain and Germany. To this extent, she succeeded in her war aims. The treaty recognized Portuguese sovereignty over these areas and awarded her small portions of Germany's bordering overseas colonies, including the Kionga Triangle . Otherwise, Portugal gained little at

13716-413: The war. British public opinion wanted to make Germany pay for the War. Public opinion favoured a "just peace", which would force Germany to pay reparations and be unable to repeat the aggression of 1914, although those of a "liberal and advanced opinion" shared Wilson's ideal of a peace of reconciliation. In private Lloyd George opposed revenge and attempted to compromise between Clemenceau's demands and

13843-414: The weapon should be ready to fire or begin firing another round. In an open bolt simple blowback weapon, this starts with pulling the trigger to release the bolt. The bolt pushes a cartridge into the barrel from a magazine and fires it. The energy propelling the bullet also pushes the bolt rearward against the recoil spring . After the bolt is stopped by either the spring or the rear of the receiver, it

13970-633: The weight of the ammunition, sustained fire is constrained by ammunition payload, as many aircraft cannons only carry enough ammunition for a few seconds' worth of firing; for example, the F-16 Falcon and its variants carry 511 rounds of 20mm ammunition, and the F-22 Raptor carries a similar amount at 480 rounds, which equates to roughly five seconds of firing at the M61 Vulcan's 6000 rpm (100 rounds per second) cyclic rate. (Some aircraft, due to

14097-457: The winter of 1919, the situation became desperate and Germany finally agreed to surrender its fleet in March. The Allies then allowed for the import of 270,000 tons of foodstuffs. Both German and non-German observers have argued that these were the most devastating months of the blockade for German civilians, though disagreement persists as to the extent and who is truly at fault. According to Max Rubner 100,000 German civilians died due to

14224-543: Was "vanishing", expressing his hope that the French had been taught a "severe lesson". The Treaty of Versailles was an important step in the status of the British Dominions under international law . Australia, Canada, New Zealand and South Africa had each made significant contributions to the British war effort, but as separate countries, rather than as British colonies. India also made a substantial troop contribution, although under direct British control, unlike

14351-565: Was 2,200 metres. It was also used just as effectively against ground targets as it was against low-flying aircraft. The Flakvierling four-autocannon anti-aircraft ordnance system, when not mounted into any self-propelled mount, was normally transported Sd. Ah. 52 trailer, and could be towed behind a variety of half-tracks or trucks, such as the Opel Blitz and the armoured Sd.Kfz. 251 and unarmored Sd.Kfz. 7/1 and Sd.Kfz. 11 artillery-towing half-track vehicles. Its versatility concerning

14478-558: Was allowed six pre-dreadnought battleships and was limited to a maximum of six light cruisers (not exceeding 6,000 long tons (6,100 t)), twelve destroyers (not exceeding 800 long tons (810 t)) and twelve torpedo boats (not exceeding 200 long tons (200 t)) and was forbidden submarines . The manpower of the navy was not to exceed 15,000 men, including manning for the fleet, coast defences, signal stations, administration, other land services, officers and men of all grades and corps. The number of officers and warrant officers

14605-399: Was also a common fixture on trains, even on Hitler's own command train , where pairs of them were mounted on either end of a "camelback" flatbed car and then covered to make it look like a boxcar, sometimes with a pair of such twin- Flakvierling mount cars for defence, one near each end of Hitler's Führersonderzug train. Treaty of Versailles The Treaty of Versailles was

14732-399: Was assumed. It called for a negotiated end to the war, international disarmament, the withdrawal of the Central Powers from occupied territories, the creation of a Polish state , the redrawing of Europe's borders along ethnic lines, and the formation of a League of Nations to guarantee the political independence and territorial integrity of all states. It called for what it characterised as

14859-401: Was developed in 1884 and used until World War I ended in 1918. Its performance was improved during that time mainly by advances in the field of cooling . There are diverse measurements of rate of fire. The speed of the fire will vary depending on the type of automatic weapon. This measures how quickly an automatic or semi-automatic firearm can fire a single cartridge. At the end of a cycle,

14986-430: Was forbidden to manufacture or import aircraft or related material for a period of six months following the signing of the treaty. In Article 231 Germany accepted responsibility for the losses and damages caused by the war "as a consequence of the ... aggression of Germany and her allies." The treaty required Germany to compensate the Allied powers, and it also established an Allied "Reparation Commission" to determine

15113-534: Was it permanently weakened. The United States never ratified the Versailles treaty; instead it made a separate peace treaty with Germany, albeit based on the Versailles treaty. The problems that arose from the treaty would lead to the Locarno Treaties , which improved relations between Germany and the other European powers. The reparation system was reorganized and payments reduced in the Dawes Plan and

15240-465: Was manufactured for 2 cm Flak weapons, the more commonly used types are listed on the following table. Other types included practice rounds (marked Übung or Üb . in German notation) and a number of different AP types including a high-velocity PzGr 40 round with a tungsten carbide core in an aluminium body. Even as the Flak 30 was entering service, the Luftwaffe and Heer (army) branches of

15367-423: Was not allowed to exceed 1,500 men. Germany surrendered eight battleships , eight light cruisers, forty-two destroyers, and fifty torpedo boats for decommissioning. Thirty-two auxiliary ships were to be disarmed and converted to merchant use. Article 198 prohibited Germany from having an air force, including naval air forces, and required Germany to hand over all aerial related materials. In conjunction, Germany

15494-453: Was on this basis that they surrendered. Following negotiations, the Allied powers and Germany signed an armistice , which came into effect on 11 November while German forces were still positioned in France and Belgium . Many aspects of the Versailles treaty that were later criticised were agreed first in the 11 November armistice agreement, whilst the war was still ongoing. These included

15621-537: Was required to recognize Belgian sovereignty over Moresnet and cede control of the Eupen-Malmedy area. Within six months of the transfer, Belgium was required to conduct a plebiscite on whether the citizens of the region wanted to remain under Belgian sovereignty or return to German control, communicate the results to the League of Nations and abide by the League's decision. The Belgian transitional administration, under High Commissioner General Herman Baltia ,

15748-490: Was responsible for the organisation and control of this process, held between January and June 1920. The plebiscite itself was held without a secret ballot , and organized as a consultation in which all citizens who opposed the annexation had to formally register their protest. Ultimately, only 271 of 33,726 voters signed the protest list, of which 202 were German state servants. After the Belgian government reported this result,

15875-520: Was taken by New Zealand . The treaty was comprehensive and complex in the restrictions imposed upon the post-war German armed forces (the Reichswehr ). The provisions were intended to make the Reichswehr incapable of offensive action and to encourage international disarmament. Germany was to demobilize sufficient soldiers by 31 March 1920 to leave an army of no more than 100,000 men in

16002-510: Was to be demilitarized, all fortifications in the Rhineland and 50 kilometres (31 miles) east of the river were to be demolished and new construction was forbidden. Military structures and fortifications on the islands of Heligoland and Düne were to be destroyed. Germany was prohibited from the arms trade , limits were imposed on the type and quantity of weapons and prohibited from the manufacture or stockpile of chemical weapons , armoured cars , tanks and military aircraft. The German navy

16129-546: Was transferred to Poland outright without plebiscite. An area of 51,800 square kilometres (20,000 square miles) was transferred to Poland under the agreement. Memel was to be ceded to the Allied and Associated powers, for disposal according to their wishes. Germany was to cede the city of Danzig and its hinterland, including the delta of the Vistula River on the Baltic Sea , for the League of Nations to establish

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