WHAT ALL HAPPENED MARCH TO OCTOBER 1972
Find out what all happened March to October 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)

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)

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

Mark Spitz becomes the first competitor to win seven medals at a single Olympic Games. (4. September 1972)

Vietnam War: Increased American bombing in Vietnam prompts anti-war protests in Los Angeles, New York City, and San Francisco. (22. April 1972)

Title IX of the United States Civil Rights Act of 1964 is amended to prohibit sexual discrimination to any educational program receiving federal funds. (23. June 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)

A Scandinavian Airlines System domestic flight from Gothenburg to Stockholm is hijacked and flown to Malmö-Bulltofta Airport. (15. September 1972)

In the early morning hours a fire breaks out at the Sunshine Mine located between Kellogg and Wallace, ID, killing 91 workers. (2. May 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)

Watergate scandal: An 18½-minute gap appears in the tape recording of the conversations between U.S. President Richard Nixon and his advisers regarding the recent arrests of his operatives while breaking into the Watergate complex. (20. June 1972)

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

The Troubles: a car bombing outside a crowded pub in Belfast sparks a two-day gun battle involving the Provisional IRA, Ulster Volunteer Force and British Army. Seven people are killed and over 66 injured. (13. May 1972)

The first leap second is added to the UTC time system. (30. June 1972)

The three surviving perpetrators of the Munich massacre are released from prison in exchange for the hostages of hijacked Lufthansa Flight 615. (29. October 1972)

In Eisenstadt v. Baird, the United States Supreme Court decides that unmarried persons have the right to possess contraceptives. (22. March 1972)

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

The United States launches Landsat 1, the first Earth-resources satellite. (23. July 1972)

The Troubles: In Belfast, British Army snipers shoot five civilians dead in the Springhill Massacre. (9. July 1972)

Willandra National Park is established in Australia. (26. May 1972)