Casablanca not formalised until 1910. Under the French rule, Muslim anti-Jewish riots occurred in 1908. The famous 1942 film "Casablanca" (starring Humphrey Bogart) underlined the city's colonial status at the time—depicting it as the scene of a power struggle between competing European powers. The film has a cosmopolitan cast of characters (American, French, German, Spaniard, Czech, Norwegian, Austrian, Bulgarian, Russian, and some other nationalities). Europeans formed almost half the population. During the 1940s and 1950s, Casablanca was a major centre of anti-French rioting. A bomb attack on 25 December 1953 (Christmas Day) caused 16 deaths. Operation Torch (initially called Operation Gymnast)
Casablanca which is "Ad-dar Al Baidaa"', although Arabic also has its own version of Casablanca (كازابلانكا, "Kāzāblānkā"). The city is still nicknamed "Casa" by many locals and outsiders to the city. In many other cities with a different dialect, it is called "Ad-dar Al-Bida", instead. The area which is today Casablanca was founded and settled by Berbers by at least the seventh century BC. It was used as a port by the Phoenicians and later the Romans. In his book Description of Africa, Leo Africanus refers to ancient Casablanca as "Anfa", a great city founded in the Berber kingdom of Barghawata