The temperature on February 17, 1890 was about 1.1 °C. The air pressure was 3 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 74%. Source: KNMI
January 1 » Eritrea is consolidated into a colony by the Italian government.
April 7 » Completion of the first Lake Biwa Canal.
July 2 » The U.S. Congress passes the Sherman Antitrust Act.
November 29 » The Meiji Constitution goes into effect in Japan, and the first Diet convenes.
December 22 » Cornwallis Valley Railway begins operation between Kentville and Kingsport, Nova Scotia.
December 29 » Wounded Knee Massacre on Pine Ridge Indian Reservation, 300 Lakota are killed by the United States 7th Cavalry Regiment.
Day of marriage July 31, 1920
The temperature on July 31, 1920 was between 9.7 °C and 22.3 °C and averaged 16.9 °C. There was 10.1 hours of sunshine (65%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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 13 » The Reichstag Bloodbath of January 13, 1920, the bloodiest demonstration in German history.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
February 14 » The League of Women Voters is founded in Chicago.
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
November 28 » Irish War of Independence: Kilmichael Ambush: The Irish Republican Army ambush a convoy of British Auxiliaries and kill seventeen.
December 19 » King Constantine I is restored as King of the Hellenes after the death of his son Alexander of Greece and a plebiscite.
Day of death November 15, 1973
The temperature on November 15, 1973 was between 4.0 °C and 9.0 °C and averaged 6.2 °C. There was 2.1 mm of rain during 2.1 hours. There was 3.5 hours of sunshine (40%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 11 » Major League Baseball owners vote in approval of the American League adopting the designated hitter position.
January 15 » Vietnam War: Citing progress in peace negotiations, President Richard Nixon announces the suspension of offensive action in North Vietnam.
March 1 » Black September storms the Saudi embassy in Khartoum, Sudan, resulting in the assassination of three Western hostages.
May 18 » Aeroflot Flight 109 is hijacked mid-flight and the aircraft is subsequently destroyed when the hijacker's bomb explodes, killing all 82 people on board.
August 15 » Vietnam War: The United States bombing of Cambodia ends.
December 18 » Soviet Soyuz Programme: Soyuz 13, crewed by cosmonauts Valentin Lebedev and Pyotr Klimuk, is launched from Baikonur in the Soviet Union.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I4658.php : accessed January 26, 2026), "Lammert Jan Jonkman (1890-1973)".
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