January 1 » Nigeria becomes a British protectorate.
August 28 » Silliman University is founded in the Philippines. It is the first American private school in the country.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
September 7 » The Boxer Rebellion in Qing dynasty (modern-day China) officially ends with the signing of the Boxer Protocol.
September 14 » U.S. President William McKinley dies after being mortally wounded on September 6 by anarchist Leon Czolgosz and is succeeded by Vice President Theodore Roosevelt.
November 18 » Britain and the United States sign the Hay–Pauncefote Treaty, which nullifies the Clayton–Bulwer Treaty and withdraws British objections to an American-controlled canal in Panama.
Day of death May 13, 1973
The temperature on May 13, 1973 was between 6.9 °C and 13.0 °C and averaged 9.9 °C. There was -0.1 mm of rain. There was 1.2 hours of sunshine (8%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
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.
January 7 » In his second shooting spree of the week, Mark Essex fatally shoots seven people and wounds five others at Howard Johnson's Hotel in New Orleans, Louisiana, before being shot to death by police officers.
April 10 » Invicta International Airlines Flight 435 crashes in a snowstorm on approach to Basel, Switzerland, killing 108 people.
July 29 » Driver Roger Williamson is killed during the Dutch Grand Prix, after a suspected tire failure causes his car to pitch into the barriers at high speed.
November 4 » The Netherlands experiences the first Car-Free Sunday caused by the 1973 oil crisis. Highways are used only by cyclists and roller skaters.
November 16 » Skylab program: NASA launches Skylab 4 with a crew of three astronauts from Cape Canaveral, Florida for an 84-day mission.
November 17 » Watergate scandal: In Orlando, Florida, U.S. President Richard Nixon tells 400 Associated Press managing editors "I am not a crook."
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I14827.php : accessed January 22, 2026), "Susara Johanna Dreyer (1901-1973)".
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