January 23 » Second Boer War: The Battle of Spion Kop between the forces of the South African Republic and the Orange Free State and British forces ends in a British defeat.
March 24 » Mayor of New York City Robert Anderson Van Wyck breaks ground for a new underground "Rapid Transit Railroad" that would link Manhattan and Brooklyn.
April 2 » The United States Congress passes the Foraker Act, giving Puerto Rico limited self-rule.
July 19 » The first line of the Paris Métro opens for operation.
August 3 » The Firestone Tire and Rubber Company is founded.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of marriage March 3, 1923
The temperature on March 3, 1923 was between 1.3 °C and 7.5 °C and averaged 4.8 °C. There was 1.2 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
September 1 » The Great Kantō earthquake devastates Tokyo and Yokohama, killing about 105,000 people.
September 9 » Mustafa Kemal Atatürk, the founder of the Republic of Turkey, founds the Republican People's Party.
September 29 » The French Mandate for Syria and the Lebanon takes effect.
October 15 » The German Rentenmark is introduced in Germany to counter hyperinflation in the Weimar Republic.
October 29 » Turkey becomes a republic following the dissolution of the Ottoman Empire.
November 9 » In Munich, Germany, police and government troops crush the Beer Hall Putsch in Bavaria. The failed coup is the work of the Nazis.
Day of death May 7, 1980
The temperature on May 7, 1980 was between 7.3 °C and 13.2 °C and averaged 10.2 °C. There was -0.1 mm of rain. There was 1.7 hours of sunshine (11%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 21 » Iran Air Flight 291 crashes in the Alborz Mountains while on approach to Mehrabad International Airport in Tehran, Iran, killing 128 people.
April 30 » The Iranian Embassy siege begins in London.
July 23 » Phạm Tuân becomes the first Vietnamese citizen and the first Asian in space when he flies aboard the Soyuz 37 mission as an Intercosmos Research Cosmonaut.
August 1 » A train crash kills 18 people in County Cork, Ireland.
October 26 » The Peter Muhlenberg Memorial in Washington, D.C. is dedicated.
November 4 » Ronald Reagan is elected the 40th President of The United States, defeating incumbent Jimmy Carter.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I348364.php : accessed March 2, 2026), "Albert Hoorn (1900-1980)".
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