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.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
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 10 » Józef Haller de Hallenburg performs symbolic wedding of Poland to the sea, celebrating restitution of Polish access to open sea.
May 2 » The first game of the Negro National League baseball is played in Indianapolis.
May 9 » Polish–Soviet War: The Polish army under General Edward Rydz-Śmigły celebrates its capture of Kiev with a victory parade on Khreshchatyk.
June 15 » Following the 1920 Schleswig plebiscites, Northern Schleswig is transferred from Germany to Denmark.
August 31 » Polish–Soviet War: A decisive Polish victory in the Battle of Komarów.
December 3 » Following more than a month of Turkish–Armenian War, the Turkish dictated Treaty of Alexandropol is concluded.
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.
March 20 » Libby Riddles becomes the first woman to win the 1,135-mile Iditarod Trail Sled Dog Race.
May 31 » United States–Canada tornado outbreak: Forty-one tornadoes hit Ohio, Pennsylvania, New York, and Ontario, leaving 76 dead.
October 1 » Israel-Palestinian conflict: Israel attacks the Palestine Liberation Organization headquarters in Tunisia during "Operation Wooden Leg".
November 13 » The volcano Nevado del Ruiz erupts and melts a glacier, causing a lahar (volcanic mudslide) that buries Armero, Colombia, killing approximately 23,000 people.
November 19 » Pennzoil wins a US$10.53 billion judgment against Texaco, in the largest civil verdict in the history of the United States, stemming from Texaco executing a contract to buy Getty Oil after Pennzoil had entered into an unsigned, yet still binding, buyout contract with Getty.
November 20 » Microsoft Windows 1.0 is released.
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.
January 7 » Japan Aerospace Exploration Agency launches Sakigake, Japan's first interplanetary spacecraft and the first deep space probe to be launched by any country other than the United States or the Soviet Union.
January 21 » Galaxy Airlines Flight 203 crashes near Reno–Tahoe International Airport in Reno, Nevada, killing 70 people.
April 23 » Coca-Cola changes its formula and releases New Coke. The response is overwhelmingly negative, and the original formula is back on the market in less than three months.
June 30 » Thirty-nine American hostages from the hijacked TWA Flight 847 are freed in Beirut after being held for 17 days.
September 1 » A joint American–French expedition locates the wreckage of the RMSTitanic.
October 30 » Space Shuttle Challenger lifts off for mission STS-61-A, its final successful mission.
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 14, 2026), "Hendrik Ahrens (1897-1985)".
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