WHAT ALL HAPPENED JANUARY TO MAY 1971
Find out what all happened January to May 1971

Cigarette advertisements are banned on American television. (1. January 1971)

Doctors in the first Dutch abortion clinic (the Mildredhuis in Arnhem) start to perform aborti provocati. (27. February 1971)

U.N. Secretary General U Thant signs United Nations proclamation of the vernal equinox as Earth Day. (26. February 1971)

The first unit of the Pickering Nuclear Generating Station, the first commercial nuclear power station in Canada, goes online. (25. February 1971)

A bomb explodes in a men's room in the United States Capitol: the Weather Underground claims responsibility. (1. March 1971)

The All India Forward Bloc holds an emergency central committee meeting after its chairman, Hemantha Kumar Bose, is killed 3 days earlier. P.K. Mookiah Thevar is appointed as the new chairman. (24. February 1971)

Mariner program: Mariner 9 is launched to map 70% of the surface, and to study temporal changes in the atmosphere and surface, of Mars. (30. May 1971)

My Lai massacre: Lieutenant William Calley is convicted of premeditated murder and sentenced to life in prison. (29. March 1971)

Satchel Paige becomes the first Negro League player to be voted into the Baseball Hall of Fame. (9. February 1971)

The Convention on Psychotropic Substances is signed at Vienna. (21. February 1971)

The People's Republic of Bangladesh forms, under Sheikh Mujibur Rahman at Mujibnagor. (17. April 1971)

Bangladesh Liberation War: The Pakistan Army and Razakars massacre approximately 3,000 Hindu emigrants in the Jathibhanga area of East Pakistan (now Bangladesh). (23. April 1971)

Astronauts land on the moon in the Apollo 14 mission. (5. February 1971)

Vietnam War: Backed by American air and artillery support, South Vietnamese troops invade Laos. (13. February 1971)

Apollo program: Apollo 14 returns to Earth after the third manned Moon landing. (9. February 1971)

President of Pakistan Yahya Khan indefinitely postpones the pending national assembly session, precipitating massive civil disobedience in East Pakistan. (1. March 1971)

The current Emley Moor transmitting station, the tallest free-standing structure in the United Kingdom, begins transmitting UHF broadcasts. (21. January 1971)

In Peru a landslide crashed into Lake Yanahuani, killing 200 people at the mining camp of Chungar. (18. March 1971)

Vietnam War: Vietnam Veterans Against the War begin a five-day demonstration in Washington, D.C.. (19. April 1971)

Bangladesh Liberation War: Beginning of Operation Searchlight by the Pakistani Armed Forces against East Pakistani civilians. (25. March 1971)