Mörser "Karl" (Gerät 040/041) was a World War II German self-propelled siege howitzer. It is notable as the largest self-propelled weapon ever built. It was used to attack the Soviet fortresses of Brest-Litovsk and Sevastopol, bombarded Polish rebels in Warsaw and participated in the Battle of the Bulge and the attacks against the Remagen Bridgehead.
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