Operation Tractable

Following days after Operation Totalize, the II Canadian Corp led by Lt. General Guy Simonds mounted another offensive with the goal of reaching Falaise. The American allies were pressing their sweeping breakthrough to the south and an opportunity existed to encircle the bulk of the German Seventh Army and Fifth Panzer Division in Normandy.

http://www.flamesofwar.com/hobby.aspx?art_id=600