WHAT ALL HAPPENED JANUARY TO DECEMBER 1973
Find out what all happened January to December 1973

The Netherlands experiences the first Car Free Sunday caused by the 1973 oil crisis. Highways are deserted and are used only by cyclists and roller skaters. (4. November 1973)

In horseracing, Secretariat wins the Triple Crown. (9. June 1973)

The Cañon City meteorite, a 1.4 kg chondrite type meteorite, strikes in Fremont County, Colorado. (27. October 1973)

The Endangered Species Act is passed in the United States. (28. December 1973)

Kenyan athlete Kip Keino defeats Jim Ryun at the first-ever professional track meet in Los Angeles. (24. March 1973)

George Papadopoulos, head of the military Regime of the Colonels in Greece, is ousted in a hardliners' coup led by Brigadier General Dimitrios Ioannidis. (25. November 1973)

Soviet Mars 5 space probe is launched. (25. July 1973)

Alexander Butterfield reveals the existence of the "Nixon tapes" to the special Senate committee investigating the Watergate break in. (13. July 1973)

Yom Kippur War: Gabi Amir's armored brigade attacks Egyptian occupied positions on the Israeli side of the Suez Canal, in hope of driving them away. The attack fails, and over 150 Israeli tanks are destroyed. (8. October 1973)

Mariner program: NASA launches the Mariner 10 toward Mercury. On March 29, 1974, it becomes the first space probe to reach that planet. (3. November 1973)

A British Vickers Vanguard turboprop aircraft crashed in a snowstorm at Basel, Switzerland killing 104 people. (10. April 1973)

The Bahamas, East Germany and West Germany are admitted to the United Nations. (18. September 1973)

Mountjoy Prison helicopter escape. Three Provisional Irish Republican Army members escape from Mountjoy Prison, Dublin, Republic of Ireland aboard a hijacked helicopter that lands in the exercise yard. (31. October 1973)

George Lucas begins writing the treatment for The Star Wars. (17. April 1973)

U.S. President Richard Nixon signs the Trans-Alaska Pipeline Authorization Act into law, authorizing the construction of the Alaska Pipeline. (16. November 1973)

Project Tiger, a tiger conservation project, is launched in the Corbett National Park, India. (1. April 1973)

The United States Senate votes to cut off funding for the bombing of Khmer Rouge targets within Cambodia, hastening the end of the Cambodian Civil War. (31. May 1973)

In the United Kingdom, Princess Anne marries Captain Mark Phillips, in Westminster Abbey. (14. November 1973)

Over the Sinai Desert, Israeli fighter aircraft shoot down Libyan Arab Airlines Flight 114 jet killing 108. (21. February 1973)

President Richard Nixon announces that a peace accord has been reached in Vietnam. (23. January 1973)