March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
April 2 » The United States Congress passes the Foraker Act, giving Puerto Rico limited self-rule.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
August 14 » The Eight-Nation Alliance occupies Beijing, China, in a campaign to end the bloody Boxer Rebellion in China.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of marriage February 28, 1921
The temperature on February 28, 1921 was between 5.3 °C and 8.9 °C and averaged 6.5 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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 21 » The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of war communism.
May 31 » The Tulsa race massacre kills at least 39, but other estimates of black fatalities vary from 55 to about 300.
June 28 » Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.
June 30 » U.S. President Warren G. Harding appoints former President William Howard Taft as Chief Justice of the United States.
August 23 » British airship R-38 experiences structural failure over Hull in England and crashes in the Humber Estuary. Of her 49 British and American training crew, only four survive.
September 7 » In Atlantic City, New Jersey, the first Miss America Pageant, a two-day event, is held.
Day of death August 20, 1989
The temperature on August 20, 1989 was between 11.6 °C and 30.0 °C and averaged 21.4 °C. There was 12.6 hours of sunshine (87%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
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.
February 3 » After a stroke two weeks previously, South African President P. W. Botha resigns as leader of the National Party, but stays on as president for six more months.
May 4 » Iran–Contra affair: Former White House aide Oliver North is convicted of three crimes and acquitted of nine other charges; the convictions are later overturned on appeal.
July 19 » United Airlines Flight 232 crashes in Sioux City, Iowa killing 111.
August 7 » U.S. Congressman Mickey Leland (D-TX) and 15 others die in a plane crash in Ethiopia.
October 15 » Wayne Gretzky becomes the all-time leading points scorer in the NHL.
October 26 » China Airlines Flight 204 crashes after take off from Hualien Airport in Taiwan, killing all 54 people on board.
Day of burial August 25, 1989
The temperature on August 25, 1989 was between 7.6 °C and 18.9 °C and averaged 15.3 °C. There was 2.0 mm of rain during 1.5 hours. There was 1.6 hours of sunshine (11%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
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.
February 15 » Soviet–Afghan War: The Soviet Union officially announces that all of its troops have left Afghanistan.
February 19 » Flying Tiger Line flight 66 crashes into a hill near Sultan Abdul Aziz Shah Airport in Malaysia, killing four.
May 29 » Signing of an agreement between Egypt and the United States, allowing the manufacture of parts of the F-16 jet fighter plane in Egypt.
June 5 » The Tank Man halts the progress of a column of advancing tanks for over half an hour after the Tiananmen Square protests of 1989.
July 5 » Iran–Contra affair: Oliver North is sentenced by U.S. District Judge Gerhard A. Gesell to a three-year suspended prison term, two years probation, $150,000 in fines and 1,200 hours community service. His convictions are later overturned.
August 7 » U.S. Congressman Mickey Leland (D-TX) and 15 others die in a plane crash in Ethiopia.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I80781.php : accessed February 7, 2026), "Jannetje van Hemel (1900-1989)".
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