could you tell me the history of Casablanca?

Answer 1

Casablance, the movie???

The movie was released in 1942 and cast members were Humphry Bogart, Ingrid Bergman, Paul Henreid, Claude Rains, Conrad Veidt, Sydney Greenstreet, Peter Lorre and S.Z. Sakall.

It's based on a play called "Everybody Comes to Rick's". Here's a timeline:

1940 Playwright Murray Burnett collaborates with Joan Allison on Everybody Comes to Rick's. The play is never published.
December 8, 1941 Everybody Comes to Rick's arrives at the Warner Bros. Story Department.
December 31, 1941 Producer Hal Wallis officially changes the title to CASABLANCA.
January 5, 1942 In a press release given to The Hollywood Reporter, Warner Brothers announces the stars of the upcoming movie to be called CASABLANCA. Ronald Reagan is slated to play Rick, Ann Sheridan as Ilsa, and Dennis Morgan as Victor Laszlo.
January 12, 1942 Burnett and Allison sign a contract with Warner Brothers for the rights to Everybody Comes to Rick's.
January - March, 1942 Screentests for the leading roles take place.
April 20, 1942 Dooley Wilson tests for the role of Sam.
April 24, 1942 Warner Bros. makes a deal to borrow Ingrid Bergman from MGM.
May 1, 1942 Paul Henreid agrees to play the role of Victor Laszlo in return for third billing above the title.
May 3, 1942 An announcement is made that Dooley Wilson will play the role of Sam.
May 13, 1942 CASABLANCA is now officially Production No. 410 at the Warner Brothers lot.
May 22, 1942 Conrad Veidt signs on to play Major Strasser.
May 25, 1942 Shooting begins with the Paris flashback sequence.
May 26, 1942 Claude Rains signs on to play Captain Renault and Peter Lorre agrees to play Ugarte.
May 28, 1942 Shooting moves to Soundstage 8 which contains the set of Rick's Cafe.
June 15, 1942 S.Z. Sakall accepts the role of Carl, the head waiter.
June 25, 1942 Paul Henreid reports to the set of CASABLANCA after finishing NOW VOYAGER.
July 11, 1942 Max Steiner is assigned to write the score.
August 1, 1942 Humphrey Bogart completes shooting his scenes.
August 3, 1942 Last official day of shooting.
August 21, 1942 Bogart is called back to add the final line, "Louis, I think this is the beginning of a beautiful friendship."
September 22, 1942 CASABLANCA is previewed in Huntington Park and Pasadena, California.
November 8, 1942 Allied forces land in North Africa.
November 26, 1942 CASABLANCA premieres at the Hollywood Theatre in New York.
January 23, 1943 CASABLANCA opens in Los Angeles and in general release throughout the country.