The temperature on June 11, 1910 was between 13.7 °C and 21.3 °C and averaged 16.4 °C. There was 0.3 mm of rain. There was 3.4 hours of sunshine (20%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 13 » The first public radio broadcast takes place; a live performance of the operas Cavalleria rusticana and Pagliacci are sent out over the airwaves from the Metropolitan Opera House in New York.
March 1 » The deadliest avalanche in United States history buries a Great Northern Railway train in northeastern King County, Washington, killing 96 people.
July 4 » The Johnson–Jeffries riots occur after African-American boxer Jack Johnson knocks out white boxer Jim Jeffries in the 15th round. Between 11 and 26 people are killed and hundreds more injured.
July 16 » John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
August 22 » Korea is annexed by Japan with the signing of the Japan–Korea Treaty of 1910, beginning a period of Japanese rule of Korea that lasted until the end of World War II.
August 29 » The Japan–Korea Treaty of 1910, also known as the Japan–Korea Annexation Treaty, becomes effective, officially starting the period of Japanese rule in Korea.
Day of death June 21, 1986
The temperature on June 21, 1986 was between 11.0 °C and 21.2 °C and averaged 15.2 °C. There was 8.9 hours of sunshine (53%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
February 7 » Twenty-eight years of one-family rule end in Haiti, when President Jean-Claude Duvalier flees the Caribbean nation.
April 2 » Alabama governor George Wallace, a former segregationist, best known for the "Stand in the Schoolhouse Door", announces that he will not seek a fifth four-year term and will retire from public life upon the end of his term in January 1987.
October 3 » TASCC, a superconducting cyclotron at the Chalk River Laboratories in Canada, is officially opened.
October 11 » Ronald Reagan and Mikhail Gorbachev meet in Iceland to continue discussions about scaling back IRBM arsenals in Europe.
November 22 » Mike Tyson from Brooklyn, New York becomes the youngest heavyweight champion in boxing history at age 20.
December 19 » Mikhail Gorbachev, leader of the Soviet Union, releases Andrei Sakharov and his wife from exile in Gorky.
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/I2200.php : accessed February 11, 2026), "Sytze van der Heide (1910-1986)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.