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.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of death May 20, 1976
The temperature on May 20, 1976 was between 5.2 °C and 16.8 °C and averaged 11.0 °C. There was 3.0 mm of rain during 4.6 hours. There was 3.4 hours of sunshine (21%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
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.
January 1 » A bomb explodes on board Middle East Airlines Flight 438 over Qaisumah, Saudi Arabia, killing all 81 people on board.
May 21 » Twenty-nine people are killed in the Yuba City bus disaster in Martinez, California.
June 16 » Soweto uprising: A non-violent march by 15,000 students in Soweto, South Africa, turns into days of rioting when police open fire on the crowd.
July 25 » Viking program: Viking 1 takes the famous Face on Mars photo.
October 6 » Premier Hua Guofeng arrests the Gang of Four, ending the Cultural Revolution in China.
November 15 » René Lévesque and the Parti Québécois take power to become the first Quebec government of the 20th century clearly in favor of independence.
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/I113976.php : accessed October 25, 2026), "Hielkje Tamminga (1902-1976)".
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