The Operation Epsom reference article from the English Wikipedia on 24-Apr-2004
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Operation Epsom

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During World War II, Operation Epsom (Allies, 1944) was a British attack to seize Caen, France. Three assaults by Canadian and Scottish units of VIII (U.K.) Corps from June 26 to July 1 1944 achieved local objectives but failed to take the city despite heavy casualties. The attack was preceded by a massive artillery bombardment that allowed the attackers to break the Nazi defenses west of the city and begin an envelopment to the south. Nazi counterattacks hit the British on their right, forcing the attackers to give up their attempt just south of Baron.

See Operation Aberlour, Operation Dauntless, and Operation Windsor.

Operation Epsom was followed by Operation Charnwood.