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World War I started
Longest war in historyalso known as the First World War or the Great War, was a global war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918. -
Germany Invades Belgium
To execute the Schlieffen Plan, Germany had to go through Belgium in order to invade France -
first air war
The first aircraft brought down by another was an Austrian reconnaissance aircraft rammed on 8 September 1914 by Russian pilot Pyotr Nesterov in Galicia in the Eastern Front. -
trench war fare began
Real good strategy. -
First Battle of the Marne
The Allies stopped the German invasion of Paris. -
Battle of the Somme
A disastrous Allied offensive at the Somme, where Allied casualties numbered in the millions. -
US Declares War
The United States enters into the first World War, declaring war on the Central Powers. -
Sinking of the Lusitania
a british ship was sunk by a germany u boat. -
World War I ended
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trench warfare ended
did not say the exact date