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 8 » The Dawes Act authorizes the President of the United States to survey Native American tribal land and divide it into individual allotments.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
July 4 » The founder of Pakistan, Quaid-i-Azam Muhammad Ali Jinnah, joins Sindh-Madrasa-tul-Islam, Karachi.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
October 1 » Balochistan is conquered by the British Empire.
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
April 26 » Forced out by the April Revolution, President of South Korea Syngman Rhee resigns after 12 years of dictatorial rule.
May 7 » Cold War: U-2 Crisis of 1960: Soviet leader Nikita Khrushchev announces that his nation is holding American U-2 pilot Gary Powers.
May 23 » A tsunami caused by an earthquake in Chile the previous day kills 61 people in Hilo, Hawaii.
June 23 » The United States Food and Drug Administration declares Enovid to be the first officially approved combined oral contraceptive pill in the world.
June 26 » Madagascar gains its independence from France.
June 30 » Belgian Congo gains independence as Republic of the Congo (Léopoldville).
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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