- Mar 1 KAUZ TV channel 6 in Wichita Falls, TX (CBS) begins broadcasting
- Mar 1 KTNT (now KSTW) TV channel 11 in Tacoma-Seattle, WA (IND) begins
- Mar 1 WJZ-AM in NYC becomes WABC; WJZ-TV in Baltimore final transmission
- Mar 1 WFBG TV (later WTAJ) channel 10 in Altoona, PA (CBS) begins broadcasting
- Mar 5 6th British Film and Television Awards (BAFTAS): "The Sound Barrier" Best Film
- Mar 8 KSWO TV channel 7 in Lawton, OK (ABC) begins broadcasting
- Mar 8 WFMJ TV channel 21 in Youngstown, OH (NBC) begins broadcasting
- Mar 14 KOLR TV channel 10 in Springfield, MO (CBS) begins broadcasting
- Mar 17 WBAY TV channel 2 in Green Bay, WI (CBS) begins broadcasting
- Mar 17 WWLP TV channel 22 in Springfield, MA (NBC) begins broadcasting
- Mar 18 KGNC (now KAMR) TV channel 4 in Amarillo, TX (NBC) begins broadcasting
Film Awards
Mar 19 25th Academy Awards: "Greatest Show on Earth", Gary Cooper & Shirley Booth win (1st time televised)
Gary Cooper
Shirley Booth