January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
January 30 » The first Anglo-Japanese Alliance is signed in London.
April 20 » Pierre and Marie Curie refine radium chloride.
August 22 » Cadillac Motor Company is founded.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
Day of marriage December 20, 1922
The temperature on December 20, 1922 was between 2.4 °C and 8.8 °C and averaged 5.4 °C. There was 5.6 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. 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.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 11 » First use of insulin to treat diabetes in a human patient.
March 20 » The USSLangley is commissioned as the first United States Navy aircraft carrier.
April 20 » The Soviet government creates South Ossetian Autonomous Oblast within Georgian SSR.
July 1 » The Great Railroad Strike of 1922 begins in the United States.
December 7 » The Parliament of Northern Ireland votes to remain a part of the United Kingdom and not unify with Southern Ireland.
December 27 » Japanese aircraft carrierHōshō becomes the first purpose built aircraft carrier to be commissioned in the world.
Day of death June 20, 1991
The temperature on June 20, 1991 was between 7.8 °C and 15.8 °C and averaged 12.0 °C. There was -0.1 mm of rain. There was 1.2 hours of sunshine (7%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southeast. 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.
April 29 » A cyclone strikes the Chittagong district of southeastern Bangladesh with winds of around 155 miles per hour (249km/h), killing at least 138,000 people and leaving as many as ten million homeless.
August 8 » The Warsaw radio mast, at one time the tallest construction ever built, collapses.
August 25 » Linus Torvalds announces the first version of what will become Linux.
August 31 » Kyrgyzstan declares its independence from the Soviet Union.
September 9 » Tajikistan declares independence from the Soviet Union.
October 14 » Burmese opposition leader Aung San Suu Kyi is awarded the Nobel Peace Prize.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I802.php : accessed October 23, 2026), "Hendrika Cornelia Jonker (1902-1991)".
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