The temperature on April 6, 1881 was about 9.0 °C. The air pressure was 7 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 65%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
July 4 » William Howard Taft becomes American governor of the Philippines.
August 10 » The U.S. Steel recognition strike by the Amalgamated Association of Iron and Steel Workers begins.
September 17 » Second Boer War: A Boer column defeats a British force at the Battle of Blood River Poort.
November 1 » Sigma Phi Epsilon, the largest national male collegiate fraternity, is established at Richmond College, in Richmond, Virginia.
November 8 » Gospel riots: Bloody clashes take place in Athens following the translation of the Gospels into demotic Greek.
November 27 » The U.S. Army War College is established.
Day of death July 20, 1970
The temperature on July 20, 1970 was between 10.3 °C and 15.6 °C and averaged 12.4 °C. There was 11.6 mm of rain during 6.2 hours. There was 2.1 hours of sunshine (13%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
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.
April 22 » The first Earth Day is celebrated.
June 21 » Penn Central declares Section 77 bankruptcy in what was the largest U.S. corporate bankruptcy to date.
July 3 » Dan-Air Flight 1903 crashes into the Les Agudes mountain in the Montseny Massif near the village of Arbúcies in Catalonia, Spain, killing all 112 people aboard.
September 5 » Vietnam War: Operation Jefferson Glenn begins: The United States 101st Airborne Division and the South Vietnamese 1st Infantry Division initiate a new operation in Thừa Thiên–Huế Province.
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/I67617.php : accessed December 27, 2025), "Jelle de Boer (1881-1970)".
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