January 31 » Czechoslav Trade Union Association is founded in Prague.
February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
Day of marriage March 5, 1920
The temperature on March 5, 1920 was between 2.5 °C and 13.3 °C and averaged 7.6 °C. There was 5.3 hours of sunshine (48%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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.
February 14 » The League of Women Voters is founded in Chicago.
March 22 » Azeri and Turkish army soldiers with participation of Kurdish gangs attacked the Armenian inhabitants of Shushi (Nagorno Karabakh).
July 15 » The Polish Parliament establishes Silesian Voivodeship before the Polish-German plebiscite.
September 1 » The Fountain of Time opens as a tribute to the 100 years of peace between the United States and Great Britain following the Treaty of Ghent.
September 17 » The National Football League is organized as the American Professional Football Association in Canton, Ohio.
October 30 » The Communist Party of Australia is founded in Sydney.
Day of death February 10, 1985
The temperature on February 10, 1985 was between -9.5 °C and -3.6 °C and averaged -6.7 °C. There was -0.1 mm of rain. There was 8.4 hours of sunshine (87%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
May 11 » Fifty-six spectators die and more than 200 are injured in the Bradford City stadium fire.
May 20 » Radio Martí, part of the Voice of America service, begins broadcasting to Cuba.
May 29 » Amputee Steve Fonyo completes cross-Canada marathon at Victoria, British Columbia, after 14 months.
November 6 » In Colombia, leftist guerrillas of the 19th of April Movement seize control of the Palace of Justice in Bogotá.
November 20 » Microsoft Windows 1.0 is released.
December 14 » Wilma Mankiller takes office as the first woman elected to serve as Principal Chief of the Cherokee Nation.
Day of burial February 14, 1985
The temperature on February 14, 1985 was between -11.2 °C and 0.6 °C and averaged -5.5 °C. There was -0.1 mm of rain. There was 7.7 hours of sunshine (78%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
March 17 » Serial killer Richard Ramirez, aka the "Night Stalker", commits the first two murders in his Los Angeles murder spree.
March 31 » The first WrestleMania, the biggest wrestling event from the WWE (then the WWF), takes place in Madison Square Garden in New York City.
July 19 » The Val di Stava dam collapses killing 268 people in Val di Stava, Italy.
August 12 » Japan Airlines Flight 123 crashes into Osutaka ridge in Gunma Prefecture, Japan, killing 520, to become the worst single-plane air disaster.
October 1 » Israel-Palestinian conflict: Israel attacks the Palestine Liberation Organization headquarters in Tunisia during "Operation Wooden Leg".
December 16 » Paul Castellano and Thomas Bilotti are shot dead on the orders of John Gotti, who assumes leadership of New York's Gambino crime family.
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/I81786.php : accessed February 4, 2026), "Hendrik Ahrens (1897-1985)".
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