April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
June 28 » An explosion in the Newton Coal Company's Twin Shaft Mine in Pittston, Pennsylvania results in a massive cave-in that kills 58 miners.
August 16 » Skookum Jim Mason, George Carmack and Dawson Charlie discover gold in a tributary of the Klondike River in Canada, setting off the Klondike Gold Rush.
September 22 » Queen Victoria surpasses her grandfather King George III as the longest reigning monarch in British history.
November 1 » A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.
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.
Day of marriage November 1, 1922
The temperature on November 1, 1922 was between 1.1 °C and 7.7 °C and averaged 4.9 °C. There was 7.7 mm of rain. 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.
February 8 » United States President Warren G. Harding introduces the first radio set in the White House.
May 10 » The United States annexes the Kingman Reef.
June 16 » General election in the Irish Free State: The pro-Treaty Sinn Féin party wins a large majority.
June 28 » The Irish Civil War begins with the shelling of the Four Courts in Dublin by Free State forces.
September 13 » The final act of the Greco-Turkish War, the Great Fire of Smyrna, commences.
December 30 » The Union of Soviet Socialist Republics is formed.
Day of death April 4, 1970
The temperature on April 4, 1970 was between 0.2 °C and 6.5 °C and averaged 2.5 °C. There was 3.3 mm of rain during 2.2 hours. There was 2.7 hours of sunshine (21%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 5 » The 7.1 Mw Tonghai earthquake shakes Tonghai County, Yunnan province, China, with a maximum Mercalli intensity of X (Extreme). Between 10,000 and 15,000 people are known to have been killed and about another 26,000 are injured.
April 22 » The first Earth Day is celebrated.
August 23 » Organized by Mexican American labor union leader César Chávez, the Salad Bowl strike, the largest farm worker strike in U.S. history, begins.
September 1 » Palestinian guerrillas attack the motorcade of King Hussein of Jordan in a failed assassination attempt.
September 16 » King Hussein of Jordan declares war against the Palestine Liberation Organization, the conflict which became to be known as Black September.
October 5 » The British Trade Commissioner is kidnapped by members of the FLQ, triggering the October Crisis in Canada.
When copying data from this family tree, please include a reference to the origin: Dirk Kalksma, "Family tree Kalksma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kalksma/I672.php : accessed January 24, 2026), "Johannes Kalksma (1896-1970)".
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