tury, D�sseldorf enjoyed a revival thanks to the Industrial Revolution as the city boasted 100,000 inhabitants by 1882; the figure doubled in 1892.
In 1920, D�sseldorf became the centre for the General Strike. On 15 April 1920 45 delegates of the German Miners Union were murdered by the Freikorps.
It was a target of strategic bombing during World War II, particularly during the RAF bombing campaign against the Ruhr industry in 1943 when over 700 bombers were used in a single night. Raids continued late into the war. As part of the campaign against German oil facilities, the RAF raid of February 20/21 1945 on the Rhenania Ossag refinery in the Reisholz district of D�sseldorf halted oil production there.
The Allied ground advance into Germany reached D�sseldorf in mid-April 1945. The US 97th Infantry Division easily captured the city 18 April 1945 in the absence of organized German resistance.
In 1946 D�sseldorf was made capital of the new federal state of North Rhine-Westphalia. The city's reconstruction proceeded at a frantic pace and the economic transformation saw D�sseldorf grow into the wealthy city of trade, administration and service industries that it is today
