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Period: to
archduke of Austria and his wife Sophie are assassinated
Archduke of Austria and his wife Sophie are assassinated in Sarajevo by young Serb nationalist Gavrilo Princip at 10.45, the casus belli of WWI -
1st military use of poison gas
1st military use of poison gas (chlorine, by Germany) in WW I -
WWI: ANZAC forces withdraw
WWI: ANZAC forces withdraw from the Gallipoli Peninsula after Ottoman forces successfully defend access to Constantinople -
US President Woodrow Wilson
US President Woodrow Wilson asks Congress to declare war against Germany -
World War I: German fighter ace Baron Manfred
World War I: German fighter ace Baron Manfred von Richthofen "The Red Baron", shot down and killed over Vaux sur Somme in France, Canadian pilot Arthur Roy Brown credited with the kill -
National Socialist Party (Nazi) forms as German Farmers' Party
National Socialist Party (Nazi) forms as German Farmers' Party