The temperature on August 4, 1911 was between 11.4 °C and 22.6 °C and averaged 17.4 °C. There was 2.5 mm of rain. There was 9.0 hours of sunshine (59%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
January 3 » A gun battle in the East End of London left two dead and sparked a political row over the involvement of then-Home Secretary Winston Churchill.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
December 9 » A mine explosion near Briceville, Tennessee, kills 84 miners despite rescue efforts led by the United States Bureau of Mines.
Day of marriage December 19, 1936
The temperature on December 19, 1936 was between 3.8 °C and 10.2 °C and averaged 6.8 °C. There was 2.9 mm of rain during 3.5 hours. There was 5.1 hours of sunshine (66%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 10 » Second Italo-Abyssinian War: Italian troops launched the Battle of Amba Aradam against Ethiopian defenders.
February 26 » In the February 26 Incident, young Japanese military officers attempt to stage a coup against the government.
June 26 » Initial flight of the Focke-Wulf Fw 61, the first practical helicopter.
August 4 » Prime Minister of Greece Ioannis Metaxas suspends parliament and the Constitution and establishes the 4th of August Regime.
November 2 » The British Broadcasting Corporation initiates the BBC Television Service, the world's first regular, "high-definition" (then defined as at least 200 lines) service. Renamed BBC1 in 1964, the channel still runs to this day.
November 23 » Life magazine is reborn as a photo magazine and enjoys instant success.
Day of death June 13, 1980
The temperature on June 13, 1980 was between 15.5 °C and 27.7 °C and averaged 21.5 °C. There was -0.1 mm of rain. There was 8.5 hours of sunshine (51%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. 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.
April 12 » Transbrasil Flight 303, a Boeing 727, crashes on approach to Hercílio Luz International Airport, in Florianópolis, Brazil. Fifty-five out of the 58 people on board are killed.
May 8 » The World Health Organization confirms the eradication of smallpox.
May 9 » In Florida, Liberian freighter MVSummit Venture collides with the Sunshine Skyway Bridge over Tampa Bay, making a 1,400-ft. section of the southbound span collapse. Thirty-five people in six cars and a Greyhound bus fall 150ft. into the water and die.
June 3 » The 1980 Grand Island tornado outbreak hits Nebraska, causing five deaths and $300million (equivalent to $931million in 2019) worth of damage.
September 17 » After weeks of strikes at the Lenin Shipyard in Gdańsk, Poland, the nationwide independent trade union Solidarity is established.
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/I20752.php : accessed February 19, 2026), "Jacob de Kwaadsteniet (1911-1980)".
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