February 27 » Fußball-Club Bayern München is founded.
February 27 » The British Labour Party is founded.
July 9 » The Federation of Australia is given royal assent.
July 9 » The Governor of Shanxi province in North China orders the execution of 45 foreign Christian missionaries and local church members, including children.
October 9 » The Cook Islands become a territory of the United Kingdom.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of marriage July 21, 1923
The temperature on July 21, 1923 was between 13.9 °C and 22.5 °C and averaged 17.6 °C. There was 5.3 hours of sunshine (33%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
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.
March 3 » TIME magazine is published for the first time.
April 18 » Yankee Stadium: "The House that Ruth Built" opens.
August 18 » First British Track and Field championships for women, London.
September 4 » Maiden flight of the first U.S. airship, the USSShenandoah.
October 29 » Turkey becomes a republic following the dissolution of the Ottoman Empire.
November 9 » In Munich, Germany, police and government troops crush the Beer Hall Putsch in Bavaria. The failed coup is the work of the Nazis.
Day of death May 20, 1984
The temperature on May 20, 1984 was between 7.7 °C and 16.4 °C and averaged 11.3 °C. There was 9.6 mm of rain during 5.7 hours. There was 3.2 hours of sunshine (20%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 7 » Brunei becomes the sixth member of the Association of Southeast Asian Nations (ASEAN).
February 7 » Space Shuttle program: STS-41-B Mission: Astronauts Bruce McCandless II and Robert L. Stewart make the first untethered space walk using the Manned Maneuvering Unit (MMU).
April 6 » Members of Cameroon's Republican Guard unsuccessfully attempt to overthrow the government headed by Paul Biya.
June 8 » Homosexuality is declared legal in the Australian state of New South Wales.
August 15 » The Kurdistan Workers' Party in Turkey starts a campaign of armed attacks upon the Turkish military with an attack on police and gendarmerie bases in Şemdinli and Eruh
October 31 » Indian Prime Minister Indira Gandhi is assassinated by two Sikh security guards. Riots break out in New Delhi and other cities and around 3,000 Sikhs are killed.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I85363.php : accessed February 16, 2026), "Gerhard Heinrich Speller (1900-1984)".
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