May 22 » The Associated Press is formed in New York City as a non-profit news cooperative.
May 29 » N'Djamena is founded as Fort-Lamy by the French commander Émile Gentil.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
July 2 » Jean Sibelius' Finlandia receives its première performance in Helsinki with the Helsinki Philharmonic Society conducted by Robert Kajanus.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
December 19 » Hopetoun Blunder: The first Governor-General of Australia John Hope, 7th Earl of Hopetoun, appoints Sir William Lyne premier of the new state of New South Wales, but he is unable to persuade other colonial politicians to join his government and is forced to resign.
Day of marriage September 1, 1920
The temperature on September 1, 1920 was between 11.0 °C and 16.7 °C and averaged 13.7 °C. There was 5.0 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 19 » The United States Senate votes against joining the League of Nations.
February 10 » Józef Haller de Hallenburg performs symbolic wedding of Poland to the sea, celebrating restitution of Polish access to open sea.
May 7 » Kiev Offensive: Polish troops led by Józef Piłsudski and Edward Rydz-Śmigły and assisted by a symbolic Ukrainian force capture Kiev only to be driven out by the Red Army counter-offensive a month later.
July 12 » The Soviet–Lithuanian Peace Treaty is signed, by which Soviet Russia recognizes the independence of Lithuania.
August 31 » Polish–Soviet War: A decisive Polish victory in the Battle of Komarów.
November 7 » Patriarch Tikhon of Moscow issues a decree that leads to the formation of the Russian Orthodox Church Outside Russia.
Day of death March 12, 1977
The temperature on March 12, 1977 was between 2.8 °C and 11.6 °C and averaged 6.8 °C. There was -0.1 mm of rain. There was 5.4 hours of sunshine (47%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
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.
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.
May 1 » Thirty-six people are killed in Taksim Square, Istanbul, during the Labour Day celebrations.
July 26 » The National Assembly of Quebec imposes the use of French as the official language of the provincial government.
August 13 » Members of the British National Front (NF) clash with anti-NF demonstrators in Lewisham, London, resulting in 214 arrests and at least 111 injuries.
October 17 » The hijacked Lufthansa Flight 181 lands in Mogadishu. The remaining hostages are later rescued.
November 6 » The Kelly Barnes Dam, located above Toccoa Falls College near Toccoa, Georgia, fails, killing 39.
December 13 » Air Indiana Flight 216 crashes near Evansville Regional Airport, killing 29, including the University of Evansville basketball team, support staff, and boosters of the team.
Day of burial March 16, 1977
The temperature on March 16, 1977 was between 8.5 °C and 17.5 °C and averaged 12.6 °C. There was -0.1 mm of rain. There was 4.3 hours of sunshine (36%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
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.
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.
March 27 » Tenerife airport disaster: Two Boeing 747 airliners collide on a foggy runway on Tenerife in the Canary Islands, killing 583 (all 248 on KLM and 335 on Pan Am). Sixty-one survived on the Pan Am flight. This is the deadliest aviation accident in history.
May 17 » Nolan Bushnell opened the first Chuck E. Cheese's in San Jose, California.
July 20 » The Central Intelligence Agency releases documents under the Freedom of Information Act revealing it had engaged in mind-control experiments.
September 13 » General Motors introduces Diesel engine, with Oldsmobile Diesel engine, in the Delta 88, Oldsmobile 98, and Oldsmobile Custom Cruiser models amongst others.
November 8 » Manolis Andronikos, a Greek archaeologist and professor at the Aristotle University of Thessaloniki, discovers the tomb of Philip II of Macedon at Vergina.
December 18 » United Airlines Flight 2860 crashes near Kaysville, Utah, killing all three crew members on board.
When copying data from this family tree, please include a reference to the origin: Dirk Kalksma, "Family tree Kalksma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kalksma/I625.php : accessed February 7, 2026), "Josephina Meeus (1900-1977)".
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