April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
May 26 » Nicholas II becomes the last Tsar of Imperial Russia.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
November 27 » Also sprach Zarathustra by Richard Strauss is first performed.
December 30 » Canadian ice hockey player Ernie McLea scores the first hat-trick in Stanley Cup play, and the Cup-winning goal as the Montreal Victorias defeat the Winnipeg Victorias 6–5.
Day of marriage May 21, 1921
The temperature on May 21, 1921 was between 2.6 °C and 19.9 °C and averaged 12.7 °C. There was 12.7 hours of sunshine (80%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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.
March 8 » Spanish Prime Minister Eduardo Dato Iradier is assassinated while exiting the parliament building in Madrid.
March 17 » The Second Polish Republic adopts the March Constitution.
March 31 » The Royal Australian Air Force is formed.
June 20 » Workers of Buckingham and Carnatic Mills in the city of Chennai, India, begin a four-month strike.
July 22 » Rif War: The Spanish Army suffers its worst military defeat in modern times to the Berbers of the Rif region of Spanish Morocco.
July 27 » Researchers at the University of Toronto, led by biochemist Frederick Banting, prove that the hormone insulin regulates blood sugar.
Day of death June 14, 1976
The temperature on June 14, 1976 was between 9.1 °C and 24.2 °C and averaged 17.4 °C. There was 14.4 hours of sunshine (86%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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.
April 1 » Apple Inc. is formed by Steve Jobs, Steve Wozniak, and Ronald Wayne in Cupertino, California, USA.
May 24 » The Judgment of Paris takes place in France, launching California as a worldwide force in the production of quality wine.
June 29 » The Seychelles become independent from the United Kingdom.
July 20 » The American Viking 1 lander successfully lands on Mars.
July 22 » Japan completes its last reparation to the Philippines for war crimes committed during imperial Japan's conquest of the country in the Second World War.
September 19 » Two Imperial Iranian Air Force F-4 Phantom II jets fly out to investigate an unidentified flying object, when both independently lose instrumentation and communications as they approach, only to have them restored upon withdrawal.
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/I104900.php : accessed May 7, 2024), "Ludolf de Groot (1896-1976)".
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