The temperature on August 20, 1937 was between 11.7 °C and 18.1 °C and averaged 14.4 °C. There was 8.4 mm of rain during 2.9 hours. There was 3.5 hours of sunshine (24%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
March 21 » Ponce massacre: Nineteen people in Ponce, Puerto Rico are gunned down by police acting on orders of the US-appointed Governor, Blanton C. Winship.
June 11 » Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.
July 2 » Amelia Earhart and navigator Fred Noonan are last heard from over the Pacific Ocean while attempting to make the first equatorial round-the-world flight.
July 8 » Turkey, Iran, Iraq and Afghanistan sign the Treaty of Saadabad.
July 9 » The silent film archives of Fox Film Corporation are destroyed by the 1937 Fox vault fire.
July 26 » Spanish Civil War: End of the Battle of Brunete with the Nationalist victory.
Day of marriage November 3, 1959
The temperature on November 3, 1959 was between 3.0 °C and 10.5 °C and averaged 6.1 °C. There was 0.1 mm of rain. There was 0.1 hours of sunshine (1%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 29 » The first Melodifestivalen is held in Cirkus, Stockholm, Sweden.
January 30 » MSHans Hedtoft, said to be the safest ship afloat and "unsinkable" like the RMSTitanic, strikes an iceberg on her maiden voyage and sinks, killing all 95 aboard.
February 16 » Fidel Castro becomes Premier of Cuba after dictator Fulgencio Batista was overthrown on January 1.
February 22 » Lee Petty wins the first Daytona 500.
August 14 » Founding and first official meeting of the American Football League.
September 14 » The Soviet probe Luna 2 crashes onto the Moon, becoming the first man-made object to reach it.
Day of death December 26, 1990
The temperature on December 26, 1990 was between 2.4 °C and 9.3 °C and averaged 5.4 °C. There was 16.6 mm of rain during 7.1 hours. The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-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.
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/I6205.php : accessed February 21, 2026), "Jantje "Jannie" Koops (1937-1990)".
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