The temperature on May 20, 1908 was between 8.8 °C and 17.3 °C and averaged 13.3 °C. There was 11.9 hours of sunshine (75%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
January 11 » Grand Canyon National Monument is created.
March 4 » The Collinwood school fire, Collinwood near Cleveland, Ohio, kills 174 people.
May 10 » Mother's Day is observed for the first time in the United States, in Grafton, West Virginia.
July 1 » SOS is adopted as the international distress signal.
August 17 » Fantasmagorie, the first animated cartoon, created by Émile Cohl, is shown in Paris, France.
October 1 » Ford Model T automobiles are offered for sale at a price of US$825.
Day of death July 12, 1986
The temperature on July 12, 1986 was between 6.1 °C and 19.4 °C and averaged 13.4 °C. There was 8.4 hours of sunshine (51%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. 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 12 » Space Shuttle program: Congressman Bill Nelson lifts off from Kennedy Space Center aboard Columbia on mission STS-61-C as a payload specialist.
February 7 » Twenty-eight years of one-family rule end in Haiti, when President Jean-Claude Duvalier flees the Caribbean nation.
February 19 » Akkaraipattu massacre: the Sri Lankan Army massacres 80 Tamil farm workers in eastern Sri Lanka.
April 25 » Mswati III is crowned King of Swaziland, succeeding his father Sobhuza II.
April 28 » High levels of radiation resulting from the Chernobyl disaster are detected at a nuclear power plant in Sweden, leading Soviet authorities to publicly announce the accident.
August 21 » Carbon dioxide gas erupts from volcanic Lake Nyos in Cameroon, killing up to 1,800 people within a 20-kilometer range.
When copying data from this family tree, please include a reference to the origin: G.O.Happé, "Family tree Happé", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-happe/I500076.php : accessed January 19, 2026), "Petrus (Pieter) Bolkenstijn (1908-1986)".
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