Vimy Ridge centenary: Thousands of Canadians mark battle's anniversary

More than 20,000 Canadians have traveled to Europe to mark the centenary of one of the country's defining moments - the Battle of Vimy Ridge during World War One. About 3,600 Canadians died in the battle in northern France, that began on Easter Sunday, 9 April 1917. It was the first time different Canadian military divisions had fought together under one command.
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