About the day » Thursday March 15, 1973Calender converter

• Arie Adrianus Steenbergen
• Petronella Marianne Naaktgeboren, Moerdijk
• Edwin Endeman, Lochem († 2002)
• Rabi Kabir, Katsina, Nigeria († 2020)
• Roelof Timmer († 2023)

• Chermijn Aurélie Augusta Acker, van (78), Groesbeek gem.Berg en Dal Gld. NL
• Craig Charles Watts (4), Marion, Marion, Verenigde Staten
• Alberade Aubree of Lorraine
• Aaltje Guichelaar (60), Slagharen,, Overijssel, Nederland
• Alberade the Franks
• Adriana Helena Vermont (57), Utrecht (UT, NLD)
• Beligje van der Staaij (72), West Jordan, Salt Lake, Utah, United States
• Aaltje Kooijman (75), Groningen
• Corrie E. Dean (72), Madison County, Georgia
• Anna Perpich (72), Ironton, Crow Wing, Minnesota, Verenigde Staten

• 1971 » Joanne Wise, English long jumper
• 1971 » Penny Lancaster, English model and photographer
• 1972 » Holger Stromberg, German chef
• 1972 » Mark Hoppus, American singer-songwriter, bass player, and producer
• 1972 » Mike Tomlin, American football player and coach
• 1973 » Masayuki Naruse, Japanese wrestler and mixed martial artist
• 1973 » Robin Hunicke, American video game designer and producer
• 1974 » Robert Fick, American baseball player
• 1975 » Eva Longoria, American actress and producer
• 1975 » Veselin Topalov, Bulgarian chess player

• 1966 » Abe Saperstein, American basketball player and coach (b. 1902)
• 1969 » Miles Malleson, English actor and screenwriter (b. 1888)
• 1969 » Musashiyama Takeshi, Japanese sumo wrestler, the 33rd Yokozuna (b. 1909)
• 1970 » Tarjei Vesaas, Norwegian author and poet (b. 1897)
• 1971 » Jean-Pierre Monseré, Belgian cyclist (b. 1948)
• 1972 » Aleksandr Ivanovich Laktionov, Russian painter and educator (b. 1910)
• 1975 » Aristotle Onassis, Greek-Argentinian businessman (b. 1906)
• 1977 » Antonino Rocca, Italian-American wrestler and referee (b. 1921)
• 1977 » Hubert Aquin, Canadian author and activist (b. 1929)
• 1981 » René Clair, French director and screenwriter (b. 1898)

• Koningin Juliana (Huis van Oranje-Nassau) was from September 4, 1948 till April 30, 1980 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
• In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
• The Netherlands had about 13.4 million citizens.
• January 22 » In a bout for the world heavyweight boxing championship in Kingston, Jamaica, challenger George Foreman knocks down champion Joe Frazier six times in the first two rounds before the fight is stopped by referee Arthur Mercante.
• January 22 » The Supreme Court of the United States delivers its decisions in Roe v. Wade and Doe v. Bolton, legalizing elective abortion in all fifty states.
• June 21 » In its decision in Miller v. California, 413 U.S. 15, the Supreme Court of the United States establishes the Miller test for determining whether something is obscene and not protected speech under the U.S. constitution.
• July 28 » Summer Jam at Watkins Glen: Nearly 600,000 people attend a rock festival at the Watkins Glen International Raceway.
• September 28 » The ITT Building in New York City is bombed in protest at ITT's alleged involvement in the coup d'état in Chile.
• November 27 » Twenty-fifth Amendment: The United States Senate votes 92–3 to confirm Gerald Ford as Vice President of the United States. (On December 6, the House will confirm him 387–35).

The temperature on March 15, 1973 was between 0.3 °C and 10.7 °C and averaged 4.7 °C. There was 7.3 hours of sunshine (62%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast.