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Assassination of ArchDuke Franz Ferdinand.
two shots rang out from a street corner in the center of this city, mortally wounding the archduke Franz Ferdinand, heir to the throne of the Austro-Hungarian Empire and Sophie the Duchess of Hohenberg, his wife. A suspect, a 19-year old Bosnian-Serb named Gavrilo Princip, was apprehended. -
Battle of Marne
Germans stopped at the First Battle of the Marne. The German invasion of France is stopped in the First Battle of the Marne as German troops are forced to the north. -
Gallipoli
Allies land in Gallipoli, Turkey. Allies, including Australian and New Zealand troops, land in Gallipoli, Turkey at Helles and Anzac Cove. -
US enters WW1
US Enters War. Congress authorizes a declaration of war against Germany. The United States enters World War I on the side of France and Britain. -
the sinking of the Lusitania
Lusitania Sinks. A German submarine sinks the passenger liner Lusitania. The ship carries 1,198 people, 128 of them Americans. -
The battle of Verdun
The battle of verdun became the longest battle in modern history. It was originally planned by the German Chief of General Staff -
Germany limits submarines
Germany Limits Submarines. Reacting to international outrage at the sinking of the Lusitania and other neutral passenger lines. -
Battle of Somme
The allies attempt to break the stalemate. It was the deadliest battle in WW1. -
Russian revolution
The Russian Revolution. After two years of defeat, the Russian population grew discontent with the war and were unhappy with Russia's leaders. -
Armistice
Armistice. Before the Allied armies can invade Germany, an armistice is signed, bringing the war on the Western Front to an end.