January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
March 6 » Real Madrid CF is founded.
March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
May 31 » Second Boer War: The Treaty of Vereeniging ends the war and ensures British control of South Africa.
December 14 » The Commercial Pacific Cable Company lays the first Pacific telegraph cable, from San Francisco to Honolulu.
Day of death April 11, 1986
The temperature on April 11, 1986 was between -4.7 °C and 3.6 °C and averaged -0.1 °C. There was -0.1 mm of rain. There was 7.3 hours of sunshine (54%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 19 » The first IBM PC computer virus is released into the wild. A boot sector virus dubbed (c)Brain, it was created by the Farooq Alvi Brothers in Lahore, Pakistan, reportedly to deter unauthorized copying of the software they had written.
March 7 » Challenger Disaster: Divers from the USSPreserver locate the crew cabin of Challenger on the ocean floor.
May 7 » Canadian Patrick Morrow becomes the first person to climb each of the Seven Summits.
June 14 » The Mindbender derails and kills three riders at the Fantasyland (known today as Galaxyland) indoor amusement park in Edmonton, Alberta.
October 21 » In Lebanon, pro-Iran kidnappers claim to have abducted American writer Edward Tracy (he is released in August 1991).
November 6 » Sumburgh disaster: A British International Helicopters Boeing 234LR Chinook crashes 2⁄2 miles east of Sumburgh Airport killing 45 people. It is the deadliest civilian helicopter crash on record.
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/I101385.php : accessed October 5, 2026), "Dieuwke Pel (1902-1986)".
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