A six-month campaign conquers the German colony, capturing its wireless stations and strategic harbors.

A final attempt by Allied troops to take Krithia, a coastal city in Turkey, is unsuccessful. Field Marshal Kitchener decides to send three additional divisions as reinforcements. The Turks also bring...

The Cunard passenger ship Lusitania sinks in British waters. It was attacked by German U-boat U-20, commanded by Kapitanleutnant Walther Schwieger.

Through the neutral Swiss government, German Chancellor Prince Maximillian sends a note to President Wilson requesting him to restore peace through an immediate armistice with terms. The request is...

Allies, including Australian and New Zealand troops, land in Gallipoli, Turkey at Helles and Anzac Cove. The Turkish controlled peninsula of twisting shorelines protects the Dardanelle Straits- a key...

Americans begin their most important battle of the war as part of Marshal Foch’s final offensive on Western Front. On the 26th, U.S. troops, on a twenty-mile front, advance between the Argonne Forest...

In the Second Battle of Ypres, the Germans open the assault with a chlorine gas attack, the first successful use of poison gas on the Western Front; more than 10,000 Allied troops are affected, over...

Austria is proclaimed a “Federation” of German-Austrians, Czechs, Ukrainians, and Yugo-Slavs. On the next day, the Czechs seize Prague, renounce Hapsburg rule and Czechoslovakia is declared...

Several thousand women demonstrate for peace before the German Reichstag [Parliament].

German Republic proclaimed as Kaiser Wilhelm II abdicates. The next day, the ex-Kaiser and his entourage flee to Holland; they arrive at Eysden, on the frontier, at 7:30 a.m.