The temperature on June 30, 1892 was about 16.8 °C. There was 0.2 mm of rain. The airpressure was 77 cm mercury. The atmospheric humidity was 72%. Source: KNMI
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
June 30 » The Homestead Strike begins near Pittsburgh, Pennsylvania.
July 4 » Western Samoa changes the International Date Line, causing Monday (July 4) to occur twice, resulting in a year with 367 days.
July 7 » The Katipunan is established, the discovery of which by Spanish authorities initiated the Philippine Revolution.
September 28 » The first night game for American football takes place in a contest between Wyoming Seminary and Mansfield State Normal.
October 13 » Edward Emerson Barnard discovers first comet discovered by photographic means.
November 8 » The New Orleans general strike begins, uniting black and white American trade unionists in a successful four-day general strike action for the first time.
Day of death April 19, 1983
The temperature on April 19, 1983 was between 4.1 °C and 12.0 °C and averaged 8.5 °C. There was -0.1 mm of rain. There was -0.1 hours of sunshine (0%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
May 20 » First publications of the discovery of the HIV virus that causes AIDS in the journal Science by Luc Montagnier.
July 21 » The world's lowest temperature in an inhabited location is recorded at Vostok Station, Antarctica at −89.2°C (−128.6°F).
July 24 » George Brett batting for the Kansas City Royals against the New York Yankees, has a game-winning home run nullified in the "Pine Tar Incident".
July 25 » Black July: Thirty-seven Tamil political prisoners at the Welikada high security prison in Colombo are massacred by the fellow Sinhalese prisoners.
September 12 » A Wells Fargo depot in West Hartford, Connecticut, United States, is robbed of approximately US$7 million by Los Macheteros.
November 8 » TAAG Angola Airlines Flight 462 crashes after takeoff from Lubango Airport killing all 130 people on board. UNITA claims to have shot down the aircraft, though this is disputed.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I12544.php : accessed March 4, 2026), "Marten Koopmans (1892-1983)".
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