The temperature on August 16, 1915 was between 8.8 °C and 19.5 °C and averaged 14.3 °C. There was 1.3 mm of rain. There was 5.3 hours of sunshine (36%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
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.
January 19 » Georges Claude patents the neon discharge tube for use in advertising.
January 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
June 5 » Denmark amends its constitution to allow women's suffrage.
August 17 » Jewish American Leo Frank is lynched in Marietta, Georgia after a 13-year-old girl is murdered.
September 5 » The pacifist Zimmerwald Conference begins.
September 30 » World War I: Radoje Ljutovac becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.
Day of marriage August 1, 1941
The temperature on August 1, 1941 was between 9.0 °C and 18.1 °C and averaged 14.8 °C. There was 13.2 mm of rain during 6.3 hours. There was 0.5 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 10 » World War II: The Greek army captures Kleisoura.
March 2 » World War II: First German military units enter Bulgaria after it joins the Axis Pact.
April 15 » In the Belfast Blitz, two-hundred bombers of the German Luftwaffe attack Belfast, killing around one thousand people.
May 6 » The first flight of the Republic P-47 Thunderbolt.
September 11 » Charles Lindbergh's Des Moines Speech accusing the British, Jews and FDR's administration of pressing for war with Germany.
December 11 » World War II: Poland declares war on the Empire of Japan.
Day of death March 25, 1979
The temperature on March 25, 1979 was between 5.0 °C and 14.8 °C and averaged 10.1 °C. There was 6.0 mm of rain during 7.1 hours. There was 0.7 hours of sunshine (6%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-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.
January 16 » The last Iranian Shah flees Iran with his family for good and relocates to Egypt.
February 20 » An earthquake cracks open the Sinila volcanic crater on the Dieng Plateau, releasing poisonous H2S gas and killing 149 villagers in the Indonesian province of Central Java.
April 1 » Nickelodeon was launched in United States.
July 1 » Sony introduces the Walkman.
July 21 » Jay Silverheels, a Mohawk actor, becomes the first Native American to have a star commemorated in the Hollywood Walk of Fame.
December 3 » Ayatollah Ruhollah Khomeini becomes the first Supreme Leader of Iran.
When copying data from this family tree, please include a reference to the origin: Alfred Groot, "Family tree Groot", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-groot/I1213.php : accessed March 7, 2026), "Jan Kuiper (1915-1979)".
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