July 4 » William Howard Taft becomes American governor of the Philippines.
August 5 » Peter O'Connor sets the first IAAF recognised long jump world record of 24ft 11.75in (7.6137m), a record that would stand for 20 years.
August 6 » Kiowa land in Oklahoma is opened for white settlement, effectively dissolving the contiguous reservation.
August 10 » The U.S. Steel recognition strike by the Amalgamated Association of Iron and Steel Workers begins.
August 21 » Six hundred American school teachers, Thomasites, arrived in Manila on the USAT Thomas.
September 28 » Philippine–American War: Filipino guerrillas kill more than forty American soldiers while losing 28 of their own.
Day of death June 6, 1987
The temperature on June 6, 1987 was between 11.0 °C and 18.2 °C and averaged 14.5 °C. There was 1.4 mm of rain during 2.8 hours. There was 5.5 hours of sunshine (33%). The partly or 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 Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 2 » After the 1986 People Power Revolution, the Philippines enacts a new constitution.
May 28 » A West German pilot, Mathias Rust, who was 18 years old, evades Soviet Union air defences and lands a private plane in the Red Square in Moscow, Russia.
June 29 » Vincent Van Gogh’s painting, the Le Pont de Trinquetaille, was bought for $20.4million at an auction in London, England.
July 31 » A tornado occurs in Edmonton, Canada.
August 7 » Cold War: Lynne Cox becomes the first person to swim from the United States to the Soviet Union, crossing the Bering Strait from Little Diomede Island in Alaska to Big Diomede in the Soviet Union.
October 7 » Sikh nationalists declare the independence of Khalistan from India; it is not internationally recognized.
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/I5523.php : accessed February 2, 2026), "Jacobus Hendrik Kroonsberg (1901-1987)".
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