The temperature on April 17, 1887 was about 7.8 °C. The air pressure was 6 kgf/m2 and came mainly from the north-northwest. The airpressure was 78 cm mercury. The atmospheric humidity was 54%. 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.
July 6 » David Kalākaua, monarch of the Kingdom of Hawaii, is forced to sign the Bayonet Constitution, which transfers much of the king's authority to the Legislature of the Kingdom of Hawaii.
October 1 » Balochistan is conquered by the British Empire.
November 9 » The United States receives rights to Pearl Harbor, Hawaii.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
Day of death July 20, 1960
The temperature on July 20, 1960 was between 12.6 °C and 19.1 °C and averaged 15.3 °C. There was 1.9 mm of rain during 1.3 hours. There was 0.3 hours of sunshine (2%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 21 » A coal mine collapses at Holly Country, South Africa, killing 435 miners.
August 9 » South Kasai secedes from the Congo.
September 8 » In Huntsville, Alabama, US President Dwight D. Eisenhower formally dedicates the Marshall Space Flight Center (NASA had already activated the facility on July 1).
November 1 » While campaigning for President of the United States, John F. Kennedy announces his idea of the Peace Corps.
November 11 » A military coup against President Ngô Đình Diệm of South Vietnam is crushed.
December 14 » Convention against Discrimination in Education of UNESCO is adopted.
When copying data from this family tree, please include a reference to the origin: Alex Scholte, "Scholte family tree", database, Genealogy Online (https://www.genealogieonline.nl/scholte-stamboom/I500023.php : accessed February 2, 2026), "Jan Springer (1887-1960)".
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