March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
May 20 » Cuba gains independence from the United States. Tomás Estrada Palma becomes the country's first President.
June 28 » The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
August 22 » Cadillac Motor Company is founded.
December 14 » The Commercial Pacific Cable Company lays the first Pacific telegraph cable, from San Francisco to Honolulu.
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 3 » The International Covenant on Economic, Social and Cultural Rights, adopted by the United Nations General Assembly, comes into force.
January 21 » Commercial service of Concorde begins with the London-Bahrain and Paris-Rio routes.
March 30 » Israeli-Palestinian conflict: in the first organized response against Israeli policies by a Palestinian collective since 1948, Palestinians create the first Land Day.
May 8 » The rollercoaster The New Revolution, the first steel coaster with a vertical loop, opens at Six Flags Magic Mountain.
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 10 » Four mercenaries (one American and three British) are executed in Angola following the Luanda Trial.
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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