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WW1 Started
The spark that set off World War I came on June 28, 1914, when a young Serbian patriot shot and killed Archduke Franz Ferdinand, the heir to the Austro-Hungarian Empire (Austria), in the city of Sarajevo. The assassin was a supporter of the Kingdom of Serbia, and within a month the Austrian army invaded Serbia. -
First Machine Gun Used
By World War I, machine guns were fully automatic weapons that fired bullets rapidly, up to 450 to 600 rounds a minute. Hiram Maxim, an American inventor, delivered the first automatic, portable machine gun in 1884, providing the template for the weapon that devastated the British at the Somme. -
WW1 Ended
Germany had formally surrendered on November 11, 1918, and all nations had agreed to stop fighting while the terms of peace were negotiated. On June 28, 1919, Germany and the Allied Nations (including Britain, France, Italy and Russia) signed the Treaty of Versailles, formally ending the war.