WHAT HAPPENED IN 1971.
Look what happened the 1971.

Bangladesh Liberation War: The Pakistan Army massacre over 1,000 people in Keraniganj Upazila, Bangladesh. (1. April 1971)

In Sri Lanka, Janatha Vimukthi Peramuna launches a revolt against the United Front government of Sirimavo Bandaranaike. (5. April 1971)

President Richard Nixon announces his decision to increase the rate of American troop withdrawals from Vietnam. (7. April 1971)

Ping-pong diplomacy: In an attempt to thaw relations with the United States, the People's Republic of China hosts the U.S. table tennis team for a week-long visit. (10. April 1971)

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

Sierra Leone becomes a republic, and Siaka Stevens the president. (19. April 1971)

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

Launch of Salyut 1, the first space station. (19. April 1971)

Charles Manson is sentenced to death (later commuted life imprisonment) for conspiracy to commit the Tate/LaBianca murders. (19. 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)

Soyuz 10 docks with Salyut 1. (24. April 1971)

Amtrak (the National Railroad Passenger Corporation) takes over operation of U.S. passenger rail service. (1. May 1971)

Mars probe program: Mars 2 is launched by the Soviet Union. (19. May 1971)

The Pakistan Army massacres at least 71 Hindus in Burunga, Sylhet, Bangladesh. (26. May 1971)

The Dahlerau train disaster, the worst railway accident in West Germany, kills 46 people and injures 25 near Wuppertal. (27. May 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)

In accordance with the Uniform Monday Holiday Act passed by the U.S. Congress in 1968, observation of Memorial Day occurs on the last Monday in May for the first time, rather than on the traditional Memorial Day of May 30. (31. May 1971)

Soyuz program: Soyuz 11 is launched. (6. June 1971)

A midair collision between a Hughes Airwest Douglas DC-9 jetliner and a United States Marine Corps McDonnell Douglas F-4 Phantom II jet fighter near Duarte, California, claims 50 lives. (6. June 1971)

Vietnam War: the Battle of Long Khanh between Australian and Vietnamese communist forces begins. (6. June 1971)