- Apr 2 KPEC TV channel 56 in Lakewood Center-Tacoma, WA (PBS) 1st broadcast
Academy Awards
Apr 4 32nd Academy Awards: "Ben-Hur", Charlton Heston & Simone Signoret win
Bye Bye Birdie
Apr 14 Lee Adams and Charles Strouse's musical "Bye Bye Birdie", starring Dick Van Dyke, Chita Rivera, and Dick Gautier, opens at Martin Beck Theater NYC; runs for 607 performances
- Apr 28 WIPM TV channel 3 in Mayaguez, PR (PBS) begins broadcasting