WHAT ALL HAPPENED APRIL TO MAY 1972
Find out what all happened April to May 1972

In Laurel, Maryland, Arthur Bremer shoots and paralyzes Alabama Governor George Wallace while he is campaigning to become President. (15. May 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)

Willandra National Park is established in Australia. (26. May 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)

The Universal Postal Union decides to recognize the People's Republic of China as the only legitimate Chinese representative, effectively expelling the Republic of China administering Taiwan. (13. 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)

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

Vietnam War: Increased American bombing in Vietnam prompts anti-war protests in Los Angeles, New York City, and San Francisco. (22. 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)

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

Tombs containing bamboo slips, among them Sun Tzu's Art of War and Sun Bin's lost military treatise, are accidentally discovered by construction workers in Shandong. (10. April 1972)

Deniz Gezmiş, Yusuf Aslan and Hüseyin İnan are executed in Ankara for attempting to overthrow the Constitutional order. (6. May 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)

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)

Seventy-four nations sign the Biological Weapons Convention, the first multilateral disarmament treaty banning the production of biological weapons. (10. April 1972)

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

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

The island of Okinawa, under U.S. military governance since its conquest in 1945, reverts to Japanese control. (15. May 1972)

The Angry Brigade goes on trial over a series of 25 bombings throughout the United Kingdom. (30. May 1972)