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Assassination of Archduke Franz Ferdinand
Archduke Franz Ferdinand, the heir to the Austrian throne, along with his wife, is assasinated by Gavrilo Princip in Sarajevo. -
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Declaring War
Austria-Hungary declares war on Serbia. Germany declares war on Russia and France. The UK declares war on Germany after they invade Belgium. Austria-Hungary declares war on Russia and Serbia declares war on Germany. -
The First Battle of Marne begins
Trench warfare also begins as soldiers on both sides dig them. This battle was fought by France and the United Kingdom against the German empire in Marne, France. It was a victory for the Allies. -
Battle of Gallipoli begins
This battle was fought by the Ottoman Empire against the British and the French over the penninsula at Gallipoli. -
RMS Lusitania Sinks
A British ocean liner, the RMS Lusitania, is sunk by a German U-boat. -
Zimmerman Telegram
Germany sends the secret Zimmerman telegram to Mexico, asking for their help in the war. The British intercept and decipher it. -
U.S. Declares War on Germany
U.S. declares war after the U.K, informs them of the Zimmerman telegram and the letter Germany had sent to Mexico, asking them for their help in the war. -
Fourteen Points
President Woodrow Wilson issues the Fourteen Points which called for freedom of the seas, free trade, end to secret traties, reduction of arms, and lasting peace. -
German Kaiser Abdicates
The leader of Germany, Kaiser Wilhelm II abdicates and flees Germany, going to the Netherlands. -
Armistice
Germany signs the armistice in Compiegne, France, which ends fighting on November 11th at 11 AM. -
Treaty of Versailles
The Treaty of Versailles officially ends World War I.