The temperature on November 21, 1930 was between 9.3 °C and 13.3 °C and averaged 10.6 °C. There was 9.2 mm of rain during 5.8 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 3 » Communist Party of Vietnam is founded at a "Unification Conference" held in Kowloon, British Hong Kong.
February 18 » Elm Farm Ollie becomes the first cow to fly in a fixed-wing aircraft and also the first cow to be milked in an aircraft.
April 22 » The United Kingdom, Japan and the United States sign the London Naval Treaty regulating submarine warfare and limiting shipbuilding.
June 16 » Sovnarkom establishes decree time in the USSR.
July 7 » Industrialist Henry J. Kaiser begins construction of Boulder Dam (now known as Hoover Dam).
August 29 » The last 36 remaining inhabitants of St Kilda are voluntarily evacuated to other parts of Scotland.
Day of death May 4, 1987
The temperature on May 4, 1987 was between 5.8 °C and 10.4 °C and averaged 8.2 °C. There was 0.1 mm of rain during 0.5 hours. There was 1.2 hours of sunshine (8%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. 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.
January 1 » The Isleta Pueblo tribe elect Verna Williamson to be their first female governor.
February 23 » Supernova 1987a is seen in the Large Magellanic Cloud.
March 19 » Televangelist Jim Bakker resigns as head of the PTL Club due to a brewing sex scandal; he hands over control to Jerry Falwell.
October 11 » Start of Operation Pawan by Indian forces in Sri Lanka. Thousands of civilians, insurgents, soldiers die.
October 21 » The Jaffna hospital massacre is carried out by Indian Peace Keeping Force in Sri Lanka, killing 70 ethnic Tamil patients, doctors and nurses.
December 22 » In Zimbabwe, the political parties ZANU and ZAPU reach an agreement that ends the violence in the Matabeleland region known as the Gukurahundi.
When copying data from this family tree, please include a reference to the origin: A. Petit, "Family tree Petit", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-petit/I4822.php : accessed February 16, 2026), "Petrus Johannes Mertens (1930-1987)".
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