The temperature on April 29, 1913 was between 10.3 °C and 22.3 °C and averaged 16.9 °C. There was 0.3 mm of rain. There was 9.6 hours of sunshine (65%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 17 » The Armory Show opens in New York City, displaying works of artists who are to become some of the most influential painters of the early 20th century.
March 4 » The United States Department of Labor is formed.
March 20 » Sung Chiao-jen, a founder of the Chinese Nationalist Party, is wounded in an assassination attempt and dies 2 days later.
July 4 » President Woodrow Wilson addresses American Civil War veterans at the Great Reunion of 1913.
October 10 » U.S. President Wilson triggers the explosion of the Gamboa Dike, completing major construction on the Panama Canal.
December 1 » Ford Motor Company introduces the first moving assembly line.
Day of marriage August 28, 1935
The temperature on August 28, 1935 was between 9.7 °C and 19.7 °C and averaged 14.3 °C. There was 0.7 mm of rain during 0.9 hours. There was 7.4 hours of sunshine (53%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
June 12 » A ceasefire is negotiated between Bolivia and Paraguay, ending the Chaco War.
June 18 » Police in Vancouver, British Columbia, Canada, clash with striking longshoremen, resulting in a total of 60 injuries and 24 arrests.
September 3 » Sir Malcolm Campbell reaches a speed of 304.331 miles per hour on the Bonneville Salt Flats in Utah, becoming the first person to drive an automobile over 300mph.
September 24 » Earl and Weldon Bascom produce the first rodeo ever held outdoors under electric lights.
September 30 » The Hoover Dam, astride the border between the U.S. states of Arizona and Nevada, is dedicated.
December 27 » Regina Jonas is ordained as the first female rabbi in the history of Judaism.
Day of death September 6, 1979
The temperature on September 6, 1979 was between 13.2 °C and 23.4 °C and averaged 17.5 °C. There was 11.4 hours of sunshine (86%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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.
March 8 » Philips demonstrates the compact disc publicly for the first time.
November 9 » Cold War: Nuclear false alarm: The NORAD computers and the Alternate National Military Command Center in Fort Ritchie, Maryland detected purported massive Soviet nuclear strike. After reviewing the raw data from satellites and checking the early-warning radars, the alert is cancelled.
November 14 » Iran hostage crisis: US President Jimmy Carter issues Executive order 12170, freezing all Iranian assets in the United States in response to the hostage crisis.
November 15 » A package from Unabomber Ted Kaczynski begins smoking in the cargo hold of a flight from Chicago to Washington, D.C., forcing the plane to make an emergency landing.
December 4 » The Hastie fire in Hull kills three schoolboys and eventually leads police to arrest Bruce George Peter Lee.
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/I4295.php : accessed January 28, 2026), "Hendrikus Keijsper (1913-1979)".
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