January 23 » The Malolos Constitution is inaugurated, establishing the First Philippine Republic. Emilio Aguinaldo is sworn in as its first President.
February 14 » Voting machines are approved by the U.S. Congress for use in federal elections.
May 30 » Pearl Hart, a female outlaw of the Old West, robs a stage coach 30 miles southeast of Globe, Arizona.
September 13 » Mackinder, Ollier and Brocherel make the first ascent of Batian (5,199 m - 17,058ft), the highest peak of Mount Kenya.
November 29 » FC Barcelona is founded by Catalan, Spanish and Englishmen. It later develops into one of Spanish football's most iconic and strongest teams.
Day of marriage June 11, 1921
The temperature on June 11, 1921 was between 7.6 °C and 17.3 °C and averaged 12.6 °C. There was 6.5 hours of sunshine (39%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. 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.
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 21 » The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of war communism.
March 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
September 7 » In Atlantic City, New Jersey, the first Miss America Pageant, a two-day event, is held.
October 21 » President Warren G. Harding delivers the first speech by a sitting U.S. President against lynching in the deep South.
November 11 » The Tomb of the Unknowns is dedicated by US President Warren G. Harding at Arlington National Cemetery.
Day of death October 30, 1977
The temperature on October 30, 1977 was between 5.1 °C and 13.6 °C and averaged 9.1 °C. There was -0.1 mm of rain. There was 3.1 hours of sunshine (32%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 17 » Capital punishment in the United States resumes after a ten-year hiatus, as convicted murderer Gary Gilmore is executed by firing squad in Utah.
January 18 » Scientists identify a previously unknown bacterium as the cause of the mysterious Legionnaires' disease.
January 28 » The first day of the Great Lakes Blizzard of 1977 which dumps 10 feet (3.0m) of snow in one day in Upstate New York, with Buffalo, Syracuse, Watertown, and surrounding areas are most affected.
April 11 » London Transport's Silver Jubilee AEC Routemaster buses are launched.
November 8 » Manolis Andronikos, a Greek archaeologist and professor at the Aristotle University of Thessaloniki, discovers the tomb of Philip II of Macedon at Vergina.
November 12 » France conducts the Oreste nuclear test as 14th in the group of 29, 1975–78 French nuclear tests series.
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/I52889.php : accessed March 11, 2026), "Harmke Oost (1899-1977)".
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