The temperature on August 28, 1906 was between 6.5 °C and 19.1 °C and averaged 13.0 °C. There was 9.2 hours of sunshine (66%). The average windspeed was 2 Bft (weak wind) 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.
January 22 » SSValencia runs aground on rocks on Vancouver Island, British Columbia, killing more than 130.
February 11 » Pope Pius X publishes the encyclical Vehementer Nos.
February 18 » Édouard de Laveleye forms the Belgian Olympic Committee in Brussels.
March 10 » The Courrières mine disaster, Europe's worst ever, kills 1099 miners in northern France.
August 13 » The all black infantrymen of the U.S. Army's 25th Infantry Regiment are accused of killing a white bartender and wounding a white police officer in Brownsville, Texas, despite exculpatory evidence; all are later dishonorably discharged. (Their records were later restored to reflect honorable discharges but there were no financial settlements.)
December 24 » Radio: Reginald Fessenden transmits the first radio broadcast; consisting of a poetry reading, a violin solo, and a speech.
Day of marriage May 19, 1933
The temperature on May 19, 1933 was between 6.0 °C and 18.1 °C and averaged 12.2 °C. There was 9.2 hours of sunshine (58%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. 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.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
February 25 » Launch of the USSRanger at Newport News, Virginia. It is the first purpose-built aircraft carrier to be commissioned by the US Navy.
April 1 » The recently elected Nazis under Julius Streicher organize a one-day boycott of all Jewish-owned businesses in Germany, ushering in a series of anti-Semitic acts.
May 6 » The Deutsche Studentenschaft attacked Magnus Hirschfeld's Institut für Sexualwissenschaft, later burning many of its books.
May 17 » Vidkun Quisling and Johan Bernhard Hjort form Nasjonal Samling — the national-socialist party of Norway.
December 6 » U.S. federal judge John M. Woolsey rules that James Joyce's novel Ulysses is not obscene.
December 15 » The Twenty-first Amendment to the United States Constitution officially becomes effective, repealing the Eighteenth Amendment that prohibited the sale, manufacture, and transportation of alcohol.
Day of death February 27, 1981
The temperature on February 27, 1981 was between -2.9 °C and 7.4 °C and averaged 2.4 °C. There was 6.9 hours of sunshine (64%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
March 11 » Hundreds of students protest in the University of Pristina in Kosovo, then part of Yugoslavia, to give their province more political rights. The protests then became a nationwide movement.
April 27 » Xerox PARC introduces the computer mouse.
July 29 » After impeachment on June 21, Abolhassan Banisadr flees with Massoud Rajavi to Paris, in an Iranian Air Force Boeing 707, piloted by Colonel Behzad Moezzi, to form the National Council of Resistance of Iran.
August 10 » Murder of Adam Walsh: The head of John Walsh's son is found. This inspires the creation of the television series America's Most Wanted and the National Center for Missing & Exploited Children.
August 12 » The IBM Personal Computer is released.
September 18 » The Assemblée Nationale votes to abolish capital punishment in France.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I99302.php : accessed February 21, 2026), "Hendrik Jonkman (1906-1981)".
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