28 juill. 1914 - WW1 Starts
Description:
World War 1 started after Archduke Franz Ferdinand was assassinated by a Serbian nationalist. Countries had many allies and they wanted to help a country that was tiny. So when Austria sent an Ultimatum to Serbia the allies of those countries backed them up. World War 1 used chemical gases with trench warfare which was very deadly.
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History Timeline V1.2
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