March 7 » Second Boer War: Boers, led by Koos de la Rey, inflict the biggest defeat upon the British since the beginning of the war, at Tweebosch.
March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
May 20 » Cuba gains independence from the United States. Tomás Estrada Palma becomes the country's first President.
Day of death April 14, 1973
The temperature on April 14, 1973 was between -2.8 °C and 9.0 °C and averaged 4.3 °C. There was 0.2 mm of rain during 0.2 hours. There was 4.3 hours of sunshine (31%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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.
March 24 » Kenyan athlete Kip Keino defeats Jim Ryun at the first-ever professional track meet in Los Angeles.
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.
October 8 » Spyros Markezinis begins his 48-day term as prime minister in an abortive attempt to lead Greece to parliamentary rule.
October 16 » Henry Kissinger and Lê Đức Thọ are awarded the Nobel Peace Prize.
November 27 » Twenty-fifth Amendment: The United States Senate votes 92–3 to confirm Gerald Ford as Vice President of the United States. (On December 6, the House will confirm him 387–35).
December 9 » British and Irish authorities sign the Sunningdale Agreement in an attempt to establish a power-sharing Northern Ireland Executive and a cross-border Council of Ireland.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I139988.php : accessed December 31, 2025), "Jacob Cornelis Sloof (1902-1973)".
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