The temperature on September 13, 1887 was about 11.3 °C. There was 4 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 88%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
September 5 » A fire at the Theatre Royal, Exeter, kills 186.
November 9 » The United States receives rights to Pearl Harbor, Hawaii.
Day of death August 27, 1964
The temperature on August 27, 1964 was between 15.3 °C and 31.2 °C and averaged 21.7 °C. There was 0.1 mm of rain. There was 12.3 hours of sunshine (88%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
February 9 » The Beatles make their first appearance on The Ed Sullivan Show, performing before a "record-busting" audience of 73 million viewers across the USA.
April 21 » A Transit-5bn satellite fails to reach orbit after launch; as it re-enters the atmosphere, 2.1 pounds (0.95kg) of radioactive plutonium in its SNAP RTG power source is widely dispersed.
June 28 » Malcolm X forms the Organization of Afro-American Unity.
August 5 » Vietnam War: Operation Pierce Arrow: American aircraft from carriers USSTiconderoga and USSConstellation bomb North Vietnam in retaliation for strikes against U.S. destroyers in the Gulf of Tonkin.
September 13 » Martin Luther King Jr. addresses a crowd of 20,000 West Berliners on Sunday, in Waldbühne.
September 27 » The British TSR-2 aircraft XR219 makes its maiden flight.
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/I67785.php : accessed October 16, 2026), "Marten de Groot (1887-1964)".
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