. "During World War II, the industrial town of Essen, was a target of Allied strategic bombing. The Krupp factory was an important industrial target, Essen was a \"primary target\" designated for area bombing by the February 1942 British Area bombing directive. As part of the campaign in 1943 known as the Battle of the Ruhr, Essen was a regular target."@en . . . "Bombing of Essen in World War II"@en . . . . . . . . . "During World War II, the industrial town of Essen, was a target of Allied strategic bombing. The Krupp factory was an important industrial target, Essen was a \"primary target\" designated for area bombing by the February 1942 British Area bombing directive. As part of the campaign in 1943 known as the Battle of the Ruhr, Essen was a regular target."@en . .