March 7 » Second Boer War: Boers, led by Koos de la Rey, inflict the biggest defeat upon the British since the beginning of the war, at Tweebosch.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
April 20 » Pierre and Marie Curie refine radium chloride.
November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
December 28 » The Syracuse Athletic Club defeated the New York Philadelphians, 5–0, in the first indoor professional football game, which was held at Madison Square Garden.
Day of marriage October 13, 1920
The temperature on October 13, 1920 was between 1.8 °C and 16.9 °C and averaged 8.6 °C. There was 7.7 hours of sunshine (71%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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 10 » The Treaty of Versailles takes effect, officially ending World War I.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
February 10 » Józef Haller de Hallenburg performs symbolic wedding of Poland to the sea, celebrating restitution of Polish access to open sea.
March 14 » In the second of the 1920 Schleswig plebiscites, about 80% of the population in Zone II votes to remain part of Weimar Germany.
August 16 » Polish–Soviet War: The Battle of Radzymin concludes; the Soviet Red Army is forced to turn away from Warsaw.
December 16 » The Haiyuan earthquake of 8.5Mw , rocks the Gansu province in China, killing an estimated 200,000.
Day of death October 22, 1999
The temperature on October 22, 1999 was between 8.4 °C and 12.7 °C and averaged 10.7 °C. There was 1.6 mm of rain during 3.0 hours. There was 0.5 hours of sunshine (5%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
April 1 » Nunavut is established as a Canadian territory carved out of the eastern part of the Northwest Territories.
May 1 » The body of British climber George Mallory is found on Mount Everest, 75 years after his disappearance in 1924.
May 3 » Infiltration of Pakistani soldiers on Indian side resulted into the kargil war.
August 10 » Los Angeles Jewish Community Center shooting.
August 26 » Russia begins the Second Chechen War in response to the Invasion of Dagestan by the Islamic International Peacekeeping Brigade.
September 7 » The 6.0 Mw Athens earthquake affected the area with a maximum Mercalli intensity of IX (Violent), killing 143, injuring 800–1,600, and leaving 50,000 homeless.
Day of burial October 27, 1999
The temperature on October 27, 1999 was between 8.8 °C and 14.8 °C and averaged 11.7 °C. There was 2.4 hours of sunshine (24%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
March 11 » Infosys becomes the first Indian company listed on the NASDAQ stock exchange.
March 20 » Legoland California, the first Legoland outside of Europe, opens in Carlsbad, California, US.
March 23 » Gunmen assassinate Paraguay's Vice President Luis María Argaña.
April 9 » Kosovo War: The Battle of Košare begins.
October 26 » Britain's House of Lords votes to end the right of hereditary peers to vote in Britain's upper chamber of Parliament.
December 22 » Just after taking off from London Stansted Airport, Korean Air Cargo Flight 8509 crashes into Hatfield Forest near Great Hallingbury, killing all four people on board.
When copying data from this family tree, please include a reference to the origin: Ton Van Es, "Family tree van Es", database, Genealogy Online (https://www.genealogieonline.nl/van-es-stamboom/I4502.php : accessed February 4, 2026), "Clasiena Van Leeuwen (1902-1999)".
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