Casablanca was the British-American invasion of French North Africa during the North African campaign of World War II, which started on 8 November 1942. The Americans attacked at three different locations in French North Africa, one of the three being the landings at Casablanca because of its important port and the major administrative centres. Casablanca was an important strategic port during World War II and hosted the Casablanca Conference in 1943, in which Churchill and Roosevelt discussed the progress of the war. Casablanca was the site of a large American air base, which was the staging area for all American aircraft
Casablanca (film) had turned down the lead role. Studio records make clear that Wallis was committed to Bogart from the start. Another well-known story is that the actors did not know until the last day of shooting how the film was to end. The original play (set entirely in the cafe) ended with Rick sending Ilsa and Laszlo to the airport. During scriptwriting, the possibility was discussed of Laszlo being killed in Casablanca, allowing Rick and Ilsa to leave together, but as Casey Robinson wrote to Hal Wallis before filming began, the ending of the film "set up for a swell twist