January 31 » Czechoslav Trade Union Association is founded in Prague.
February 1 » Shinhan Bank, the oldest bank in South Korea, opens in Seoul.
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 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
Day of marriage November 30, 1921
The temperature on November 30, 1921 was between -15.0 °C and 1.4 °C and averaged -5.6 °C. There was 5.6 hours of sunshine (69%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
February 21 » Rezā Shāh takes control of Tehran during a successful coup.
March 6 » Portuguese Communist Party is founded as the Portuguese Section of the Communist International.
March 18 » The Kronstadt rebellion is suppressed by the Red Army.
April 2 » The Autonomous Government of Khorasan, a military government encompassing the modern state of Iran, is established.
May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
Day of death August 10, 1979
The temperature on August 10, 1979 was between 9.9 °C and 18.7 °C and averaged 14.9 °C. There was -0.1 mm of rain. There was 7.8 hours of sunshine (52%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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.
June 18 » SALT II is signed by the United States and the Soviet Union.
July 9 » A car bomb destroys a Renault motor car owned by "Nazi hunters" Serge and Beate Klarsfeld outside their home in France in an unsuccessful assassination attempt.
October 31 » Western Airlines Flight 2605 crashes on landing in Mexico City, killing 73 people.
November 15 » A package from Unabomber Ted Kaczynski begins smoking in the cargo hold of a flight from Chicago to Washington, D.C., forcing the plane to make an emergency landing.
November 16 » The first line of Bucharest Metro (Line M1) is opened from Timpuri Noi to Semănătoarea in Bucharest, Romania.
December 21 » Lancaster House Agreement: An independence agreement for Rhodesia is signed in London by Lord Carrington, Sir Ian Gilmour, Robert Mugabe, Joshua Nkomo, Bishop Abel Muzorewa and S.C. Mundawarara.
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The Genealogische database Eisenga publication was prepared by Ruut Eisenga (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Ruut Eisenga, "Genealogische database Eisenga", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-eisenga/I5530.php : accessed March 10, 2026), "Jan Harkema (1897-1979)".
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