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Assassinations triggered World War 1
A member of a Serbian terrorist group named Gavrilo Princip killed Archduke Francis Ferdinand and his wife Sophie. The assassinations triggered World War 1. -
Period: to
World War 1
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Austria declared war on Serbia
One month after the assassinations happened, Austria declared war on Serbia. They were allied with Germany. The reason they entered the war was because they wanted to punish Serbia for encouraging terrorism. -
Germany invades Belgium
Germany invades Belgium and also declares war on France. Germany is allied with Austria- Hungary. They stood by there one dependable ally. -
Great Britain declared war on Germany
Great Britain declared war on Germany because they were outraged by the invasion of Belgium. They were allied with France and Russia. -
Battle of the Frontiers
The Battle of Frontiers was fought between German and allied forces on the Western Front. It began near Aredennes and Charleroi in northern France -
The Battle of Tannenberg begins
The Battle of Tannenberg begins. This battle was fought between Russia and Germany from August 26-30 -
Germans defeat Russians
On August 26- 30 the Germans defeated the Russians at the Battle of Tannenberg. Russians armies pushed into Eastrn Germany. -
First Battle of the Marne
The First Battle of the Marne begins. Trench warfare begins as soldiers on both sides dig in. This occured September 5- September 12, 1914. -
Christmas Truce
Christmas Truce
On Christmas Eve and Christmas Day, the Christmas Truce made a temporary halt to all of the fighting on the parts of the Western Front. The truce lasted until New Year's Day in some areas. -
Zeppelins
Germany sent Zeppelin attacks on England. Jan 19-20, 1915 -
German U-boat attacks
German U-boat attacks on neutral shipping and on allied. Declared the blockade of Britain. -
Germany uses Poison Gas
The first use of poison gas was used by Germany. Large gas-filled balloons were used to bomb the English coast. April 22- May 25, 1915 -
The Battle at Gallipoli
The battle at Gallipoli took place at the Gallipoli peninsula. After 10 months, more than 200,000 casualties, the allies finally withdrew from the Dardanelles. Allies sent a massive force of British, Australian, Indian and New Zealander troops to attempt to open up the strait. -
Lusitania
The British ocean liner RMS Lusitania is sunk by a German U-boat, U-20. -
Bulgaria joined the Central Powers
Bulgaria joined the Central Powers and helped defeat it's old Balkan rival Serbia. Italy then declared war on Austria- Hungary and later on Germany -
German attack on Verdum
The German attack on Verdum in the lonest battle of the war. Defended by the French at great cost to both sides. -
Submarine Policy
Germany renounces submarine policy. -
Battle of Jutland
The biggest naval battle in history. Without a clear victor. -
Battle of Somme
Start of the Battle of the Somme, with the greatest number of casualties in British military history, 60,000 -
Zimmerman Telegram
Germany sends the secret Zimmerman Telegram to Mexico in an effort to entice Mexico to join the war. The British intercept and figure out the coded message. -
United States declares War
The United States declares war on Germany -
Peace notes
Germany and Austria send peace notes to Us President Woodrow Wilson requesting an armistice. -
Came to an end
The Great war came to an end at last. -
The Treaty of Versailles
The Treaty of Versailles officially ended WW1
