- Apr 3 Abe Burrows, Richard and Marian Bissell's comedy "Say, Darling" opens at ANTA Theater, NYC; runs for 332 performances
- Apr 13 Classical pianist Van Cliburn (23) is the first American to win the Tchaikovsky Competition in Moscow, USSR
- Apr 23 Robert Kurka's "The Good Soldier Schweik", with libretto written by Abe Meeropol, premieres at the New York City Opera
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