The temperature on May 29, 1913 was between 12.8 °C and 26.3 °C and averaged 20.0 °C. There was 5.7 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
March 4 » First Balkan War: The Greek army engages the Turks at Bizani, resulting in victory two days later.
March 20 » Sung Chiao-jen, a founder of the Chinese Nationalist Party, is wounded in an assassination attempt and dies 2 days later.
August 10 » Second Balkan War: Delegates from Bulgaria, Romania, Serbia, Montenegro, and Greece sign the Treaty of Bucharest, ending the war.
October 14 » Senghenydd colliery disaster, the United Kingdom's worst coal mining accident, claims the lives of 439 miners.
October 31 » Dedication of the Lincoln Highway, the first automobile highway across United States.
December 1 » The Buenos Aires Metro, the first underground railway system in the Southern Hemisphere and in Latin America, begins operation.
Day of marriage February 12, 1938
The temperature on February 12, 1938 was between 1.3 °C and 6.8 °C and averaged 4.0 °C. There was 9.4 mm of rain during 5.4 hours. There was 0.2 hours of sunshine (2%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
February 4 » Adolf Hitler appoints himself as head of the Armed Forces High Command.
February 11 » BBC Television produces the world's first ever science fiction television programme, an adaptation of a section of the Karel Čapek play R.U.R., that coined the term "robot".
July 3 » United States President Franklin D. Roosevelt dedicates the Eternal Light Peace Memorial and lights the eternal flame at Gettysburg Battlefield.
August 20 » Lou Gehrig hits his 23rd career grand slam, a record that stood for 75 years until it was broken by Alex Rodriguez.
September 30 » The League of Nations unanimously outlaws "intentional bombings of civilian populations".
December 17 » Otto Hahn discovers the nuclear fission of the heavy element uranium, the scientific and technological basis of nuclear energy.
Day of death February 6, 2001
The temperature on February 6, 2001 was between 8.6 °C and 12.9 °C and averaged 10.6 °C. There was 5.0 mm of rain during 3.7 hours. There was 0.3 hours of sunshine (3%). The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
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/I63751.php : accessed January 17, 2026), "Jan Wessel (1913-2001)".
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