March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
August 9 » Edward VII and Alexandra of Denmark are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of death September 12, 1956
The temperature on September 12, 1956 was between 10.6 °C and 15.1 °C and averaged 13.0 °C. There was 0.5 hours of sunshine (4%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 30 » African-American civil rights leader Martin Luther King, Jr.'s home is bombed in retaliation for the Montgomery Bus Boycott.
May 1 » The polio vaccine developed by Jonas Salk is made available to the public.
July 26 » Following the World Bank's refusal to fund building the Aswan Dam, Egyptian leader Gamal Abdel Nasser nationalizes the Suez Canal, sparking international condemnation.
August 27 » The nuclear power station at Calder Hall in the United Kingdom was connected to the national power grid becoming the world's first commercial nuclear power station to generate electricity on an industrial scale.
October 15 » FORTRAN, the first modern computer language, is first shared with the coding community.
November 3 » Suez Crisis: The Khan Yunis killings by the Israel Defense Forces in Egyptian-controlled Gaza result in the deaths of 275 Palestinians.
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/I136960.php : accessed October 21, 2026), "Martinus van der Kooy (1902-1956)".
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