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Japan issues Twenty-one demands on China, an ultimatum that sought Japan's reginal ascendency over China.
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First German use of poison gas at Bolimow on the Eastrn front
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German U-boats attack Allied shipping. Germany declares a blockade on Britain. All ships traveling throught the "war zone" could be attacked by German U-boats
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German offensive in order to get Russia out of the war. Russia suffered heavy looses but did keep the Germans out of Russia
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The British and French naval forces (the largest ever assembled in the Mediterranean) fail to defeat the Ottomon blockade of the Dardanelles, a straight in the Medditarenian
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First use of poison gas by the Germans on the Western front. Ended in a stalemate. First time Canadians defeated Germans.
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British land troops at Gallipoli. Brginning of the Gallipoli campaign
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A series of battles between the British and Ottomons for the penisila of Gallipoli. Finally end after eight months in an Ottomon victory
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France, Russia, Britain, and Italy sign the secret Treaty of London, which states that if Italy joins the Entente, then they will recieve several territorial gains at the end of the war
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Austro-German ofensive on Russia lines. The Germans bombarded the Russian lines, allowing them to break through and inflict heavy damages on the Russians. Reason for the Great Retreat of 1915
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A German U-boat attacks and sinks the Lusitania, a British ship with American passengers on board. Causes a U.S.-German diplomatic crisis. Eventually leads to U.S. entry into the war
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Italy enters the war on the side of the Entente when they declare war on Austria-Hungary. They invaded Austria and lost.
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A series of retreats by the Russian army after the defeat of the Garlice-Tarnow Offensive. The Russians retreated, loosing Poland, Kurland, Lithuania, and half of Belarus. As they retreated, the Russian participated in a scorched earth campain, destroying bridges and railroads and killing a bunch of Jews to cheer themselves up. The whole destroying everything thing cause millions of refugees to move to central Russia and the Ukraine
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Bulgaria joins the Central Powers
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A major British offensive against the Germans. Attempt to break the defensive lines and create another war of movement. British victory.
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French offensive to break through German defensives. Eventualy the Germans arre able to repel the attack and the French abandon their attack. First time Britain used poison gas.
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Germany and Austria-Hungary invade Serbia, expelling the Serbian army from the country; to Greece.
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Sir Douglas Haig replaces Sir John French as commander of the British Expeditionary Forces
