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  Archduke Franz Ferdinand, heir to the Austro-Hungarian throne is assassinated in Sarajevo
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  Austria declared war on Serbia.
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  On August 1st Germany declared war on Russia.
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  Germany declared war on France and invaded Belgium. Germany had to implement the Schlieffen Plan: the operational plan for the attack on France once Russia had started to mobilize their forces near the German border.
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  Britain decides to declare war on Germany.
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  When Britain declares war, that puts Canada automatically at war.
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  Canada's offers troops which Britain accepts.
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  The first volunteers begin to arrive at Valcartier camp.
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  Russian army defeated at Tannenburg and Masurian Lakes.
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  Approximately 32,000 men have assembled at Valcartier to train and prepare.
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  1st contingent Canadian Expeditionary Force sails for England.
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  First massive use of poison gas by the Germans. Canadian 1st Division defeats Germany - becomes first colonial force to beat a European force while in Europe.
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  Italy declared war on Germany and Austria
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  The Germans captured Warsaw from the Russians.
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  Newfoundland Regiment took heavy losses in this battle. Most of their men were dead, wounded or missing within an hour of the start.
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  Germany’s unrestricted submarine warfare campaign begins
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  After the war had been going on for several years, the USA decided to declared war on Germany.
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  Started on the 9th and lasted to the 12th of April 1917.
Canadians successfully attacked the German-held strongpoint of Vimy Ridge. - 
  
  Started 26th of October and lasted till the 10th of November 1917:
This battle is remembered for its brutal fighting and horrible weather conditions. Canadian forces captured their objective but suffered 16,000 dead or wounded - 
  
  Armistice between Germany and Russia signed
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  After a huge debate, pro-conscription side won the election. Conscription polarized provinces, ethnic and linguistic groups, communities, and families, had lasting political effects on the country as a whole.
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  The Treaty of Brest-Litovsk was signed between Russia and Germany.
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  Germany asked the Allies for an armistice.
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  Turkey made peace
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  Austria made peace
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  Germany signed an armistice with the Allies – the official date of the end of World War One.
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  Germany signs the Treaty of Versailles.