Western Front | |||||||
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Part of World War I | |||||||
Mark II tank advancing with Canadian infantry at Battle of Vimy Ridge, 1917 |
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Belligerents | |||||||
Belgium Italy (from 1915) Portugal (from 1916) Russian Empire (until 1917) Siam (from 1918) |
German Empire Austria-Hungary |
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Strength | |||||||
7,935,000 5,399,563 2,200,000 267,000 Total: ~16,000,000 |
13,250,000 | ||||||
Casualties and losses | |||||||
~7,500,000 |
~5,500,000 |
Decisive Entente victory
~7,500,000
~5,500,000
The Western Front was the main theatre of war during the First World War. Following the outbreak of war in August 1914, the German Army opened the Western Front by invading Luxembourg and Belgium, then gaining military control of important industrial regions in France. The tide of the advance was dramatically turned with the Battle of the Marne. Following the Race to the Sea, both sides dug in along a meandering line of fortified trenches, stretching from the North Sea to the Swiss frontier with France, which changed little except during early 1917 and in 1918.