The temperature on August 17, 1887 was about 21.4 °C. The air pressure was 4 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 48%. 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.
April 28 » A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé is released on order of William I, German Emperor, defusing a possible war.
May 9 » Buffalo Bill Cody's Wild West Show opens in London.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
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.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
November 13 » Bloody Sunday clashes in central London.
Day of death May 6, 1970
The temperature on May 6, 1970 was between 9.5 °C and 22.0 °C and averaged 16.5 °C. There was 11.1 hours of sunshine (73%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 12 » Biafra capitulates, ending the Nigerian Civil War.
April 10 » Paul McCartney announces that he is leaving The Beatles for personal and professional reasons.
April 13 » An oxygen tank aboard the Apollo 13 Service Module explodes, putting the crew in great danger and causing major damage to the Apollo command and service module (codenamed "Odyssey") while en route to the Moon.
May 26 » The Soviet Tupolev Tu-144 becomes the first commercial transport to exceed Mach 2.
July 23 » Qaboos bin Said al Said becomes Sultan of Oman after overthrowing his father, Said bin Taimur initiating massive reforms, modernization programs and end to a decade long civil war.
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I568263.php : accessed January 10, 2026), "Wierd Jans Kooistra (1887-1970)".
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