The temperature on November 2, 1911 was between 0.4 °C and 10.9 °C and averaged 5.5 °C. There was 1.4 mm of rain. There was 2.8 hours of sunshine (29%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
Day of death April 5, 1972
The temperature on April 5, 1972 was between 7.8 °C and 11.0 °C and averaged 8.9 °C. There was 1.0 mm of rain during 2.0 hours. There was 1.7 hours of sunshine (13%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
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.
February 15 » José María Velasco Ibarra, serving as President of Ecuador for the fifth time, is overthrown by the military for the fourth time.
February 15 » Sound recordings are granted U.S. federal copyright protection for the first time.
May 21 » Michelangelo's Pietà in St. Peter's Basilica in Rome is damaged by a vandal, the mentally disturbed Hungarian geologist Laszlo Toth.
July 21 » The Troubles: Bloody Friday: The Provisional IRA detonate 22 bombs in central Belfast, Northern Ireland, United Kingdom in the space of 80 minutes, killing nine and injuring 130.
October 29 » The three surviving perpetrators of the Munich massacre are released from prison in exchange for the hostages of hijacked Lufthansa Flight 615.
November 29 » Atari releases Pong, the first commercially successful video game.
When copying data from this family tree, please include a reference to the origin: Frans Chodzynski, "Family tree Chodzynski", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-chodzynski/I3176.php : accessed January 19, 2026), "Harm Slagter (1911-1972)".
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