The temperature on August 8, 1911 was between 11.3 °C and 27.9 °C and averaged 20.8 °C. There was 13.2 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 26 » Glenn Curtiss flies the first successful American seaplane.
April 27 » Following the resignation and death of William P. Frye, a compromise is reached to rotate the office of President pro tempore of the United States Senate.
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
September 1 » The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship.
September 7 » French poet Guillaume Apollinaire is arrested and put in jail on suspicion of stealing the Mona Lisa from the Louvre museum.
Day of marriage January 12, 1938
The temperature on January 12, 1938 was between 3.5 °C and 10.1 °C and averaged 6.5 °C. There was 12.1 mm of rain during 6.5 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
June 25 » Dr. Douglas Hyde is inaugurated as the first President of Ireland.
July 28 » Hawaii Clipper disappears between Guam and Manila as the first loss of an airliner in trans-Pacific China Clipper service.
September 30 » Britain, France, Germany and Italy sign the Munich Agreement, whereby Germany annexes 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.
December 13 » The Holocaust: The Neuengamme concentration camp opens in the Bergedorf district of Hamburg, Germany.
Day of death April 12, 2007
The temperature on April 12, 2007 was between 7.0 °C and 20.9 °C and averaged 13.9 °C. There was 10.7 hours of sunshine (78%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Friday, July 7, 2006 to Thursday, February 22, 2007 the cabinet Balkenende III, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
In The Netherlands , there was from Thursday, February 22, 2007 to Thursday, October 14, 2010 the cabinet Balkenende IV, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
January 10 » A general strike begins in Guinea in an attempt to get President Lansana Conté to resign.
January 22 » At least 88 people are killed when two car bombs explode in the Bab Al-Sharqi market in central Baghdad, Iraq.
July 1 » Smoking in England is banned in all public indoor spaces.
July 12 » U.S. Army Apache helicopters engage in airstrikes against armed insurgents in Baghdad, Iraq, where civilians are killed; footage from the cockpit is later leaked to the Internet.
July 31 » Operation Banner, the presence of the British Army in Northern Ireland, and the longest-running British Army operation ever, comes to an end.
September 29 » Calder Hall, the world's first commercial nuclear power station, is demolished in a controlled explosion.
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/I380366.php : accessed February 18, 2026), "Jan Hendrik van Kleef (1911-2007)".
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