The temperature on July 21, 1986 was between 12.9 °C and 22.1 °C and averaged 17.2 °C. There was -0.1 mm of rain. There was 0.7 hours of sunshine (4%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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.
March 7 » Challenger Disaster: Divers from the USSPreserver locate the crew cabin of Challenger on the ocean floor.
May 26 » The European Community adopts the European flag.
June 14 » The Mindbender derails and kills three riders at the Fantasyland (known today as Galaxyland) indoor amusement park in Edmonton, Alberta.
September 28 » The Democratic Progressive Party becomes the first opposition party in Taiwan.
October 10 » A 5.7 Mw San Salvador earthquake shakes El Salvador, killing 1,500.
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: Irene Jolanda van der Meulen, "Family tree Ype Ypes (waaronder van der Meulen)", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ype-ypes/I6633.php : accessed January 24, 2026), "Simon Visser (1915-1986)".
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