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Twenty-One Demands
Japan issues Twenty-one demands on China, an ultimatum that sought Japan's reginal ascendency over China. -
First German Zeppelin attacks on Britain
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1st use of Poinson Gas
First German use of poison gas at Bolimow on the Eastrn front -
German blockade
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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Second battle of Masurian Lakes
German offensive in order to get Russia out of the war. Russia suffered heavy looses but did keep the Germans out of Russia -
First British Passenger ship is sunk by U-boats
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Fail to open the Dardanelles
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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Second Battle of Ypres
First use of poison gas by the Germans on the Western front. Ended in a stalemate. First time Canadians defeated Germans. -
British force landing at Gallipoli
British land troops at Gallipoli. Brginning of the Gallipoli campaign -
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The Gallipoli Campaign
A series of battles between the British and Ottomons for the penisila of Gallipoli. Finally end after eight months in an Ottomon victory -
Treaty of London
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 -
Gorlice-Tarnow Offensive
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 -
Sinking of the Lusitania
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 -
Italy enters War
Italy enters the war on the side of the Entente when they declare war on Austria-Hungary. They invaded Austria and lost. -
German troops occupy Warsaw
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British land on Gallipoli
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Great Retreat of 1915
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 -
Tsar Nicholas II takes command of the Russian army
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Serbia and Bulgaria declare war on each other
Bulgaria joins the Central Powers -
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Battle of Loos
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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Battle of Campagne
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. -
Central Powers invade Serbia
Germany and Austria-Hungary invade Serbia, expelling the Serbian army from the country; to Greece. -
Britain declares war on Bulgaria
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Douglas Haig replaces John French
Sir Douglas Haig replaces Sir John French as commander of the British Expeditionary Forces
