February 28 » The Second Boer War: The 118-day "Siege of Ladysmith" is lifted.
March 7 » The German liner SSKaiser Wilhelm der Grosse becomes the first ship to send wireless signals to shore.
March 24 » Mayor of New York City Robert Anderson Van Wyck breaks ground for a new underground "Rapid Transit Railroad" that would link Manhattan and Brooklyn.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
December 19 » Hopetoun Blunder: The first Governor-General of Australia John Hope, 7th Earl of Hopetoun, appoints Sir William Lyne premier of the new state of New South Wales, but he is unable to persuade other colonial politicians to join his government and is forced to resign.
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.
January 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
February 25 » Georgian capital Tbilisi falls to the invading Russian forces after heavy fighting and the Russians declare the Georgian Soviet Socialist Republic.
February 27 » The International Working Union of Socialist Parties is founded in Vienna.
March 18 » The second Peace of Riga is signed between Poland and the Soviet Union.
July 11 » A truce in the Irish War of Independence comes into effect.
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.
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.
January 1 » The Montreal Protocol comes into force, stopping the use of chemicals contributing to ozone depletion.
February 1 » The Western Australian towns of Kalgoorlie and Boulder amalgamate to form the City of Kalgoorlie-Boulder.
April 21 » Tiananmen Square protests of 1989: In Beijing, around 100,000 students gather in Tiananmen Square to commemorate Chinese reform leader Hu Yaobang.
August 24 » Tadeusz Mazowiecki is chosen as the first non-communist prime minister in Central and Eastern Europe.
September 11 » Hungary announces that the East German refugees who had been housed in temporary camps were free to leave for West Germany.
December 13 » The Troubles: Attack on Derryard checkpoint: The Provisional Irish Republican Army launches an attack on a British Army temporary vehicle checkpoint near Rosslea, Northern Ireland. Two British soldiers are killed and two others are wounded.
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.
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.
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 4 » Solidarity's victory in the first (somewhat) free parliamentary elections in post-war Poland sparks off a succession of peaceful anti-communist revolutions in Eastern Europe, leads to the creation of the so-called Contract Sejm and begins the Autumn of Nations.
July 26 » A federal grand jury indicts Cornell University student Robert T. Morris, Jr. for releasing the Morris worm, thus becoming the first person to be prosecuted under the 1986 Computer Fraud and Abuse Act.
November 10 » Germans begin to tear down the Berlin Wall.
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 4, 2026), "Jannetje van Hemel (1900-1989)".
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