The temperature on February 15, 1909 was between 0.1 °C and 7.5 °C and averaged 3.2 °C. There was 1.9 mm of rain. There was 3.5 hours of sunshine (35%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
March 10 » By signing the Anglo-Siamese Treaty of 1909, Thailand relinquishes its sovereignty over the Malay states of Kedah, Kelantan, Perlis and Terengganu, which become British protectorates.
July 16 » Persian Constitutional Revolution: Mohammad Ali Shah Qajar is forced out as Shah of Persia and is replaced by his son Ahmad Shah Qajar.
September 7 » Eugène Lefebvre crashes a new French-built Wright biplane during a test flight at Juvisy, south of Paris, becoming the first aviator in the world to lose his life in a powered heavier-than-air craft.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
December 4 » The Montreal Canadiens ice hockey club, the oldest surviving professional hockey franchise in the world, is founded as a charter member of the National Hockey Association.
December 10 » Selma Lagerlöf becomes the first female writer to win the Nobel Prize in Literature.
Day of marriage September 15, 1938
The temperature on September 15, 1938 was between 5.7 °C and 15.9 °C and averaged 11.2 °C. There was 1.0 mm of rain during 1.7 hours. There was 10.4 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
June 7 » The Douglas DC-4E makes its first test flight.
July 3 » United States President Franklin D. Roosevelt dedicates the Eternal Light Peace Memorial and lights the eternal flame at Gettysburg Battlefield.
July 17 » Douglas Corrigan takes off from Brooklyn to fly the "wrong way" to Ireland and becomes known as "Wrong Way" Corrigan.
September 12 » Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia.
October 31 » Great Depression: In an effort to restore investor confidence, the New York Stock Exchange unveils a fifteen-point program aimed to upgrade protection for the investing public.
November 14 » The Lions Gate Bridge, connecting Vancouver to the North Shore region, opens to traffic.
Day of death July 14, 1992
The temperature on July 14, 1992 was between 10.0 °C and 19.9 °C and averaged 16.1 °C. There was 9.0 mm of rain during 7.7 hours. There was 7.1 hours of sunshine (43%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 9 » The Assembly of the Serb People in Bosnia and Herzegovina proclaims the creation of Republika Srpska, a new state within Yugoslavia.
February 12 » The current Constitution of Mongolia comes into effect.
May 24 » The ethnic cleansing in Kozarac, Bosnia and Herzegovina begins when Serbian militia and police forces enter the town.
July 22 » Near Medellín, Colombian drug lord Pablo Escobar escapes from his luxury prison fearing extradition to the United States.
November 20 » In England, a fire breaks out in Windsor Castle, badly damaging the castle and causing over £50million worth of damage.
November 21 » A major tornado strikes the Houston, Texas area during the afternoon. Over the next two days the largest tornado outbreak ever to occur in the US during November spawns over 100 tornadoes.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I9175.php : accessed February 19, 2026), "Jan Hendrik Marinus Sterk (1909-1992)".
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