January 16 » The United States Senate accepts the Anglo-German treaty of 1899 in which the United Kingdom renounces its claims to the Samoan islands.
February 14 » British forces begin the Battle of the Tugela Heights in an effort to lift the Siege of Ladysmith.
June 5 » Second Boer War: British soldiers take Pretoria.
August 3 » The Firestone Tire and Rubber Company is founded.
October 19 » Max Planck discovers Planck's law of black-body radiation.
November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
Day of death January 3, 1990
The average temperature on January 3, 1990 was 1.8 °C. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
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 » David Dinkins is sworn in as New York City's first black mayor.
January 12 » A seven-day pogrom breaks out against the Armenian civilian population of Baku, Azerbaijan, during which Armenians were beaten, tortured, murdered, and expelled from the city.
April 9 » An IRA bombing in County Down, Northern Ireland, kills three members of the UDR.
June 1 » Cold War: George H. W. Bush and Mikhail Gorbachev sign a treaty to end chemical weapon production.
September 18 » Liechtenstein becomes a member of the United Nations.
November 5 » Rabbi Meir Kahane, founder of the far-right Kach movement, is shot dead after a speech at a New York City hotel.
When copying data from this family tree, please include a reference to the origin: Peter Keesman, "Family tree Keesman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-keesman/I5246.php : accessed March 6, 2026), "Johannes Antonius Gijsbert Hopman (1900-1990)".
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