January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
May 26 » Nicholas II becomes the last Tsar of Imperial Russia.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
August 27 » Anglo-Zanzibar War: The shortest war in world history (09:02 to 09:40), between the United Kingdom and Zanzibar.
November 1 » A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
Day of marriage April 29, 1920
The temperature on April 29, 1920 was between 4.0 °C and 11.6 °C and averaged 7.0 °C. There was 3.1 mm of rain. There was 6.2 hours of sunshine (42%). The average windspeed was 4 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 13 » The Reichstag Bloodbath of January 13, 1920, the bloodiest demonstration in German history.
February 20 » An earthquake kills between 114 and 130 in Georgia and heavily damages the town of Gori.
April 25 » At the San Remo conference, the principal Allied Powers of World War I adopt a resolution to determine the allocation of Class "A" League of Nations mandates for administration of the former Ottoman-ruled lands of the Middle East.
August 19 » The Tambov Rebellion breaks out, in response to the Bolshevik policy of Prodrazvyorstka.
October 25 » After 74 days on hunger strike in Brixton Prison, England, the Sinn Féin Lord Mayor of Cork, Terence MacSwiney dies.
December 11 » Irish War of Independence: In retaliation for a recent IRA ambush, British forces burn and loot numerous buildings in Cork city. Many civilians report being beaten, shot at, robbed and verbally abused by British forces.
Day of death February 26, 1979
The temperature on February 26, 1979 was between -2.3 °C and -0.2 °C and averaged -1.4 °C. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the 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.
When copying data from this family tree, please include a reference to the origin: H. Grevinga, "Family tree Grevinga", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-grevinga/I1960.php : accessed February 19, 2026), "hendrik jan koers (1896-1979)".
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