He was born on November 4, 1905 in Zwaagwesteinde, gem. Dantumadeel, Friesland, Nederland.Source 1
Aangegeven door Heerke Elzinga, koopman, wonende te Zwaagwesteinde en hij is bij de bevalling aanwezig geweest; de vader is door afwezigheid verhinderd zelf de aangifte te doen
The temperature on November 4, 1905 was between 3.4 °C and 10.9 °C and averaged 7.5 °C. There was 2.6 hours of sunshine (27%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
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.
January 26 » The world's largest diamond ever, the Cullinan weighing 3,106.75 carats (0.621350kg), is found at the Premier Mine near Pretoria in South Africa.
April 30 » Albert Einstein completes his doctoral thesis at the University of Zurich.
May 5 » The trial in the Stratton Brothers case begins in London, England; it marks the first time that fingerprint evidence is used to gain a conviction for murder.
August 20 » Sun Yat-sen, Chinese revolutionary, forms the first chapter of T'ung Meng Hui, a union of all secret societies determined to bringing down the Manchus.
October 16 » The Partition of Bengal in India takes place.
October 30 » Czar Nicholas II issues the October Manifesto, granting the Russian peoples basic civil liberties and the right to form a duma. (October 17 in the Julian calendar)
Day of death February 20, 1986
The temperature on February 20, 1986 was between -11.6 °C and -1.3 °C and averaged -6.7 °C. There was -0.1 mm of rain. There was 4.0 hours of sunshine (39%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northeast. 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.
March 4 » The Soviet Vega 1 begins returning images of Halley's Comet and the first images of its nucleus.
March 15 » Collapse of Hotel New World: Thirty-three people die when the Hotel New World in Singapore collapses.
April 15 » The United States launches Operation El Dorado Canyon, its bombing raids against Libyan targets in response to a discotheque bombing in West Germany that killed two U.S. servicemen.
April 29 » A fire at the Central library of the City of Los Angeles Public Library damages or destroys 400,000 books and other items.
June 4 » Jonathan Pollard pleads guilty to espionage for selling top secret United States military intelligence to Israel.
November 5 » USSRentz, USSReeves and USSOldendorf visit Qingdao (Tsing Tao) China – the first US Naval visit to China since 1949.
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/I144991.php : accessed February 15, 2026), "Sytse de Haan (1905-1986)".
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