The temperature on April 15, 1921 was between -2.1 °C and 8.8 °C and averaged 3.8 °C. There was 1.8 mm of rain. There was 5.1 hours of sunshine (37%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-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.
February 21 » Constituent Assembly of the Democratic Republic of Georgia adopts the country's first constitution.
May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
July 2 » World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany.
October 5 » The World Series is the first to be broadcast on radio.
October 18 » The Crimean Autonomous Soviet Socialist Republic is formed as part of the Russian Soviet Federative Socialist Republic.
November 14 » The Communist Party of Spain is founded, and issues the first edition of Mundo obrero.
Day of death July 11, 1993
The temperature on July 11, 1993 was between 7.3 °C and 17.1 °C and averaged 12.6 °C. There was 1.6 mm of rain during 0.7 hours. There was 5.0 hours of sunshine (30%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 14 » In Poland's worst peacetime maritime disaster, ferry MS Jan Heweliusz sinks off the coast of Rügen, drowning 55 passengers and crew; nine crew-members are saved.
February 8 » General Motors sues NBC after Dateline NBC allegedly rigs two crashes intended to demonstrate that some GM pickups can easily catch fire if hit in certain places. NBC settles the lawsuit the next day.
April 8 » The Republic of North Macedonia joins the United Nations.
July 26 » Asiana Airlines Flight 733 crashes into a ridge on Mt. Ungeo on its third attempt to land at Mokpo Airport, South Korea. Sixty-eight of the 116 people onboard are killed.
November 18 » In South Africa, 21 political parties approve a new constitution, expanding voting rights and ending white minority rule.
November 20 » Savings and loan crisis: The United States Senate Ethics Committee issues a stern censure of California senator Alan Cranston for his "dealings" with savings-and-loan executive Charles Keating.
When copying data from this family tree, please include a reference to the origin: Doug Brough, "Dam of Vlaardingen Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/dam-of-vlaardingen-family-tree/P105.php : accessed May 10, 2025), "Petronella Dam aka Valkenburg (1921-1993)".
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