January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
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).
June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
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.
December 30 » Filipino patriot and reform advocate José Rizal is executed by a Spanish firing squad in Manila.
Day of marriage May 19, 1921
The temperature on May 19, 1921 was between 7.7 °C and 18.8 °C and averaged 12.9 °C. There was 0.2 mm of rain. There was 9.0 hours of sunshine (57%). The average windspeed was 2 Bft (weak wind) 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.
February 21 » Constituent Assembly of the Democratic Republic of Georgia adopts the country's first constitution.
February 21 » Rezā Shāh takes control of Tehran during a successful coup.
March 1 » The Australian cricket team captained by Warwick Armstrong becomes the first team to complete a whitewash of The Ashes, something that would not be repeated for 86 years.
March 18 » The Kronstadt rebellion is suppressed by the Red Army.
October 13 » Soviet republics sign the Treaty of Kars to formalize the borders between Turkey and the South Caucasus states.
October 26 » The Chicago Theatre opens.
Day of death October 21, 1968
The temperature on October 21, 1968 was between 5.7 °C and 15.7 °C and averaged 9.7 °C. There was 6.1 hours of sunshine (59%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Pauline Berens BC, "Local Heritage Book Barger-Compascuum", database, Genealogy Online (https://www.genealogieonline.nl/ofb-barger-compascuum/I83747.php : accessed February 5, 2026), "Grietje Harmiena - Grietje Lehkamp (1896-1968)".
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