January 30 » The first Anglo-Japanese Alliance is signed in London.
April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
April 14 » James Cash Penney opens his first store in Kemmerer, Wyoming.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
December 14 » The Commercial Pacific Cable Company lays the first Pacific telegraph cable, from San Francisco to Honolulu.
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.
April 7 » The United States Secretary of the Interior leases federal petroleum reserves to private oil companies on excessively generous terms.
June 16 » General election in the Irish Free State: The pro-Treaty Sinn Féin party wins a large majority.
July 11 » The Hollywood Bowl opens.
September 30 » The University of Alabama opens the American football season with a 110–0 victory over the Marion Military Institute, which still stands as Alabama's record for largest margin of victory and as their only 100 point game.
November 21 » Rebecca Latimer Felton of Georgia takes the oath of office, becoming the first female United States Senator.
December 8 » Northern Ireland ceases to be part of the Irish Free State.
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.
March 15 » Cold War: The Treaty on the Final Settlement with Respect to Germany comes into effect, granting full sovereignty to the Federal Republic of Germany.
June 26 » Yugoslav Wars: The Yugoslav People's Army begins the Ten-Day War in Slovenia.
June 27 » Slovenia, after declaring independence two days before is invaded by Yugoslav troops, tanks, and aircraft starting the Ten-Day War.
September 8 » The Republic of Macedonia becomes independent.
December 1 » Cold War: Ukrainian voters overwhelmingly approve a referendum for independence from the Soviet Union.
December 26 » The Supreme Soviet of the Soviet Union meets and formally dissolves the Soviet Union, ending the Cold War.
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 24, 2026), "Hendrika Cornelia Jonker (1902-1991)".
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