April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
April 20 » Pierre and Marie Curie refine radium chloride.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
August 22 » Cadillac Motor Company is founded.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
Day of death December 10, 1981
The temperature on December 10, 1981 was between -4.4 °C and 1.6 °C and averaged -1.4 °C. There was 1.6 mm of rain during 1.4 hours. There was 2.4 hours of sunshine (31%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-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.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
April 12 » The first launch of a Space Shuttle (Columbia) takes place: The STS-1 mission.
May 13 » Mehmet Ali Ağca attempts to assassinate Pope John Paul II in St. Peter's Square in Rome. The Pope is rushed to the Agostino Gemelli University Polyclinic to undergo emergency surgery and survives.
June 7 » The Israeli Air Force destroys Iraq's Osiraq nuclear reactor during Operation Opera.
June 28 » A powerful bomb explodes in Tehran, killing 73 officials of the Islamic Republican Party.
September 25 » Belize joins the United Nations.
October 22 » The United States Federal Labor Relations Authority votes to decertify the Professional Air Traffic Controllers Organization (PATCO) for its strike the previous August.
When copying data from this family tree, please include a reference to the origin: Fred van Veen, "Family tree Van Veen, Petrus, Boonacker, Houtkoop.", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-veen-petrus-boonacker-houtkoop./I5704.php : accessed May 24, 2024), "Jan Senkeldam (1902-1981)".
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