- Mar 3 Mozambique closes border with Rhodesia
- Mar 3 5 workers are killed by the police in a demonstration in Vitoria-Gasteiz, Spain
- Mar 4 John Pezzin bowls 33 consecutive strikes at Toledo, Ohio
- Mar 5 British pound falls below $2 for 1st time
- Mar 6 Ice Pairs Championship at Gothenburg won by Rodnina & Zaitsev (Soviet Union)
- Mar 7 Morocco & Mauretania break diplomatic relations with Algeria
- Mar 8 1,774 kg (largest observed) stony meteorite falls in Jilin, China
- Mar 12 South African troops leave Angola
- Mar 14 US performs nuclear test at Nevada Test Site
- Mar 15 Failed coup in Niger
Event of Interest
Mar 16 British Prime Minister Harold Wilson announces his resignation

Harold Wilson
- Mar 17 Malikov skates world record 1000m (1:15.76)
- Mar 17 Rubin "Hurricane" Carter is retried
- Mar 17 US performs nuclear test at Nevada Test Site
- Mar 17 4 Catholic civilians (including 2 children) are killed and twelve wounded when the Ulster Volunteer Force explode a car bomb at Hillcrest Bar, Dungannon
- Mar 20 Jevgeni Kulikov skates world record 1000m (1:15.70)
- Mar 20 Patricia Hearst convicted of armed robbery
- Mar 23 International Bill of Rights goes into effect (35 nations ratifying)
- Mar 24 Argentine President Isabel Martínez de Perón is deposed in a military coup
- Mar 25 Argentine military junta bans leftist political parties
- Mar 26 AL approves purchase of Toronto franchise by LaBatt Brewing for $7M
Event of Interest
Mar 26 Queen Elizabeth II sent out the first royal email, from the Royal Signals and Radar Establishment

Elizabeth II