Vimy Ridge. This engagement sees the first successful use by British Empire forces of flash-spotting and sound-ranging techniques to detect and suppress enemy batteries." />

Battle of Vimy Ridge

9–12 April 1917

Part of the Battle of Arras: The Canadians obtain a significant victory over the Germans in the Battle of Vimy Ridge. This engagement sees the first successful use by British Empire forces of flash-spotting and sound-ranging techniques to detect and suppress enemy batteries.

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