jul 28, 1914 - Start of War

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Convinced that Austria-Hungary was readying for war, the Serbian government ordered the Serbian army to mobilize and appealed to Russia for assistance. On July 28, Austria-Hungary declared war on Serbia, and the tenuous peace between Europe’s great powers quickly collapsed.

Within a week, Russia, Belgium, France, Great Britain and Serbia had lined up against Austria-Hungary and Germany, and World War I had begun.

On August 4, 1914, Britain declared war on Germany and Austria-Hungary. As Canada was a dominion of the Great Britain at that time, they were forced to fight alongside of the Great Britain in WW1.

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