WHAT ALL HAPPENED MARCH TO MAY 1972
Find out what all happened March to May 1972

Apollo program: The launch of Apollo 16 from Cape Canaveral, Florida. (16. April 1972)

Vietnam War: Nguyen Hue Offensive – The North Vietnamese 320th Division forces 5,000 South Vietnamese troops to retreat and traps about 2,500 others northwest of Kontum. (25. April 1972)

Four Black September terrorists hijack Sabena Flight 571. Israeli Sayeret Matkal commandos recapture the plane the following day. (8. May 1972)

The United States Congress sends the Equal Rights Amendment to the states for ratification. (22. March 1972)

Michelangelo's Pietà in St. Peter's Basilica in Rome is damaged by a vandal, the mentally disturbed Hungarian geologist Laszlo Toth. (21. May 1972)

The United States and the Soviet Union sign the Anti-Ballistic Missile Treaty. (26. May 1972)

The Troubles: A Provisional IRA car bomb kills seven and injures 148 in Belfast, Northern Ireland. It was the first of many car bomb attacks by the group. (20. March 1972)

First edition of the BBC comedy panel game I'm Sorry I Haven't A Clue is broadcast, one of the longest running British radio shows in history. (11. April 1972)

Faulty electrical wiring ignites a fire underneath the Playtown Cabaret in Osaka, Japan. Blocked exits and non-functional elevators lead to 118 fatalities, with many victims leaping to their deaths. (13. May 1972)

Vietnam War: Easter Offensive – American forces begin sustained air strikes and naval bombardments. (6. April 1972)

Ceylon adopts a new constitution, thus becoming a Republic, changes its name to Sri Lanka, and joins the Commonwealth of Nations. (22. May 1972)

The Don't Make A Wave Committee, a fledgling environmental organization founded in Canada in 1971, officially changes its name to "Greenpeace Foundation". (4. May 1972)

Actor Charlie Chaplin returns to the United States for the first time since being labeled a communist during the Red Scare in the early 1950s. (2. April 1972)

20 days after he is kidnapped in Buenos Aires, Oberdan Sallustro is murdered by communist guerrillas. (10. April 1972)

Vietnam War – U.S. President Richard Nixon announces his order to place mines in major North Vietnamese ports in order to stem the flow of weapons and other goods to that nation. (8. May 1972)

The Thai province of Yasothon is created after being split off from the Ubon Ratchathani province. (1. March 1972)

The Pioneer 10 space probe is launched from Cape Canaveral, Florida with a mission to explore the outer planets. (2. March 1972)

Vietnam War: For the first time since November 1967, American B-52 bombers reportedly begin bombing North Vietnam. (10. April 1972)

Vietnam War: The Battle of An Lộc begins. (13. April 1972)

The United Kingdom imposes direct rule over Northern Ireland. (24. March 1972)