April 5 » Archaeologists in Knossos, Crete, discover a large cache of clay tablets with hieroglyphic writing in a script they call Linear B.
May 23 » American Civil War: Sergeant William Harvey Carney is awarded the Medal of Honor for his heroism in the Assault on the Battery Wagner in 1863.
June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
July 9 » The Governor of Shanxi province in North China orders the execution of 45 foreign Christian missionaries and local church members, including children.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
November 7 » The People's Party is founded in Cuba.
Day of marriage October 30, 1920
The temperature on October 30, 1920 was between -2.8 °C and 7.9 °C and averaged 1.5 °C. There was 8.1 hours of sunshine (83%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. 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 10 » League of Nations Covenant enters into force. On January 16 the organization holds its first council meeting, in Paris.
March 14 » In the second of the 1920 Schleswig plebiscites, about 80% of the population in Zone II votes to remain part of Weimar Germany.
March 19 » The United States Senate rejects the Treaty of Versailles for the second time (the first time was on November 19, 1919).
August 10 » World War I: Ottoman sultan Mehmed VI's representatives sign the Treaty of Sèvres that divides up the Ottoman Empire between the Allies.
August 15 » Polish–Soviet War: Battle of Warsaw, so-called Miracle at the Vistula.
November 1 » American fishing schooner Esperanto defeats the Canadian fishing schooner Delawana in the First International Fishing Schooner Championship Races in Halifax, Nova Scotia.
Day of death July 24, 1973
The temperature on July 24, 1973 was between 8.5 °C and 19.2 °C and averaged 14.5 °C. There was -0.1 mm of rain. There was 11.3 hours of sunshine (71%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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 15 » Vietnam War: Citing progress in peace negotiations, President Richard Nixon announces the suspension of offensive action in North Vietnam.
February 21 » Over the Sinai Desert, Israeli fighter aircraft shoot down Libyan Arab Airlines Flight 114 jet killing 108 people.
March 1 » Black September storms the Saudi embassy in Khartoum, Sudan, resulting in the assassination of three Western hostages.
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.
October 16 » Henry Kissinger and Lê Đức Thọ are awarded the Nobel Peace Prize.
November 16 » U.S. President Richard Nixon signs the Trans-Alaska Pipeline Authorization Act into law, authorizing the construction of the Alaska Pipeline.
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/I359735.php : accessed February 22, 2026), "Jacobus Koops (1900-1973)".
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