The temperature on January 13, 1911 was between -4.8 °C and 3.9 °C and averaged -0.8 °C. There was 6.7 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 15 » More than 300 Chinese immigrants are killed in the Torreón massacre when the forces of the Mexican Revolution led by Emilio Madero take the city of Torreón from the Federales.
May 19 » Parks Canada, the world's first national park service, is established as the Dominion Parks Branch under the Department of the Interior.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
November 11 » Many cities in the Midwestern United States break their record highs and lows on the same day as a strong cold front rolls through.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
Day of death February 4, 1987
The temperature on February 4, 1987 was between 1.6 °C and 4.0 °C and averaged 2.5 °C. There was -0.1 mm of rain. The almost completely overcast was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-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.
May 17 » Iran–Iraq War: An Iraqi Dassault Mirage F1 fighter jet fires two missiles into the U.S. Navy warship USSStark, killing 37 and injuring 21 of her crew.
June 11 » Diane Abbott, Paul Boateng and Bernie Grant are elected as the first black MPs in Great Britain.
September 2 » In Moscow, the trial begins for 19-year-old pilot Mathias Rust, who flew his Cessna airplane into Red Square in May.
October 19 » Black Monday: The Dow Jones Industrial Average falls by 22%, 508 points.
November 29 » North Korean agents plant a bomb on Korean Air Flight 858, which kills all 115 passengers and crew.
December 8 » An Israeli army tank transporter kills four Palestinian refugees and injures seven others during a traffic accident at the Erez Crossing on the Israel–Gaza Strip border, which has been cited as one of the events which sparked the First Intifada.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I122301.php : accessed February 19, 2026), "Pieter Hasper (1911-1987)".
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