January 23 » The Malolos Constitution is inaugurated, establishing the First Philippine Republic. Emilio Aguinaldo is sworn in as its first President.
February 22 » Filipino forces led by General Antonio Luna launch counterattacks for the first time against the American forces during the Philippine–American War. The Filipinos fail to regain Manila from the Americans.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
July 29 » The First Hague Convention is signed.
Day of marriage September 4, 1920
The temperature on September 4, 1920 was between 11.7 °C and 17.5 °C and averaged 14.3 °C. There was 3.2 mm of rain. 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 16 » The League of Nations holds its first council meeting in Paris, France.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
February 13 » The Negro National League is formed.
July 11 » In the East Prussian plebiscite the local populace decides to remain with Weimar Germany.
August 18 » The Nineteenth Amendment to the United States Constitution is ratified, guaranteeing women's suffrage.
November 28 » FIDAC (The Interallied Federation of War Veterans Organisations), the first international organization of war veterans is established in Paris, France
Day of death December 16, 1980
The temperature on December 16, 1980 was between 1.4 °C and 7.8 °C and averaged 4.1 °C. There was 2.6 mm of rain during 1.3 hours. There was 6.6 hours of sunshine (85%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
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.
February 26 » Egypt and Israel establish full diplomatic relations.
February 29 » Gordie Howe of the Hartford Whalers makes NHL history as he scores his 800th goal.
March 27 » Silver Thursday: A steep fall in silver prices, resulting from the Hunt Brothers attempting to corner the market in silver, leads to panic on commodity and futures exchanges.
May 14 » Salvadoran Civil War: the Sumpul River massacre occurs in Chalatenango, El Salvador.
June 27 » The 'Ustica massacre': Itavia Flight 870 crashes in the sea while en route from Bologna to Palermo, Italy, killing all 81 on board.
December 2 » Salvadoran Civil War: Four American missionaries are raped and murdered by a death squad.
When copying data from this family tree, please include a reference to the origin: Marjon Root, "Family tree Root, Brinksma, Van Schoten en Molen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-root/I869.php : accessed December 28, 2025), "Antje Douma (1899-1980)".
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