January 28 » Walter Arnold of East Peckham, Kent, becomes the first person to be convicted of speeding. He was fined one shilling, plus costs, for speeding at 8mph (13km/h), thereby exceeding the contemporary speed limit of 2mph (3.2km/h).
April 6 » In Athens, the opening of the first modern Olympic Games is celebrated, 1,500 years after the original games are banned by Roman emperor Theodosius I.
August 30 » Philippine Revolution: After Spanish victory in the Battle of San Juan del Monte, eight provinces in the Philippines are declared under martial law by the Spanish Governor-General Ramón Blanco y Erenas.
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.
December 14 » The Glasgow Underground Railway is opened by the Glasgow District Subway Company.
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 April 30, 1921
The temperature on April 30, 1921 was between 6.8 °C and 20.2 °C and averaged 13.7 °C. There was 12.0 hours of sunshine (81%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
January 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
March 6 » Portuguese Communist Party is founded as the Portuguese Section of the Communist International.
March 18 » The second Peace of Riga is signed between Poland and the Soviet Union.
March 31 » The Royal Australian Air Force is formed.
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 23 » The Communist Party of China (CPC) is established at the founding National Congress.
Day of death March 11, 1954
The temperature on March 11, 1954 was between -0.5 °C and 14.8 °C and averaged 5.7 °C. There was 0.1 mm of rain. There was 4.2 hours of sunshine (36%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 21 » The first nuclear-powered submarine, the USSNautilus, is launched in Groton, Connecticut by Mamie Eisenhower, the First Lady of the United States.
February 10 » U.S. President Dwight D. Eisenhower warns against United States intervention in Vietnam.
April 8 » A Royal Canadian Air Force Canadair Harvard collides with a Trans-Canada Airlines Canadair North Star over Moose Jaw, Saskatchewan, killing 37 people.
June 14 » U.S. President Dwight D. Eisenhower signs a bill into law that places the words "under God" into the United States Pledge of Allegiance.
October 18 » Texas Instruments announces the first transistor radio.
December 2 » Cold War: The United States Senate votes 65 to 22 to censure Joseph McCarthy for "conduct that tends to bring the Senate into dishonor and disrepute".
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I136957.php : accessed October 24, 2026), "Hendrik van der Kooy (1896-1954)".
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