The temperature on March 12, 1910 was between 4.6 °C and 10.3 °C and averaged 7.0 °C. There was 0.2 mm of rain. There was 0.7 hours of sunshine (6%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
April 16 » The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
September 22 » The Duke of York's Picture House opens in Brighton, now the oldest continually operating cinema in Britain.
September 26 » Indian journalist Swadeshabhimani Ramakrishna Pillai is arrested after publishing criticism of the government of Travancore and is exiled.
October 1 » A large bomb destroys the Los Angeles Times building, killing 21.
October 11 » Piloted by Arch Hoxsey, Theodore Roosevelt becomes the first U.S. president to fly in an airplane.
Day of marriage July 27, 1938
The temperature on July 27, 1938 was between 12.4 °C and 22.0 °C and averaged 17.0 °C. There was 8.0 hours of sunshine (51%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
April 30 » The animated cartoon short Porky's Hare Hunt debuts in movie theaters, introducing Happy Rabbit, an early version of Bugs Bunny.
July 17 » Douglas Corrigan takes off from Brooklyn to fly the "wrong way" to Ireland and becomes known as "Wrong Way" Corrigan.
September 27 » The ocean liner Queen Elizabeth is launched in Glasgow.
October 1 » Germany annexes the Sudetenland.
November 9 » The Nazi German diplomat Ernst vom Rath dies from gunshot wounds by Herschel Grynszpan, an act which the Nazis used as an excuse to instigate the 1938 national pogrom, also known as Kristallnacht.
December 17 » Otto Hahn discovers the nuclear fission of the heavy element uranium, the scientific and technological basis of nuclear energy.
Day of death June 6, 1980
The temperature on June 6, 1980 was between 12.1 °C and 27.0 °C and averaged 18.8 °C. There was 12.3 hours of sunshine (74%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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.
February 17 » First winter ascent of Mount Everest by Krzysztof Wielicki and Leszek Cichy.
May 17 » General Chun Doo-hwan of South Korea seizes control of the government and declares martial law in order to suppress student demonstrations.
August 1 » Vigdís Finnbogadóttir is elected President of Iceland and becomes the world's first democratically elected female head of state.
August 27 » A massive bomb planted by extortionist John Birges explodes at Harvey's Resort Hotel in Stateline, Nevada after a failed disarming attempt by the FBI. Although the hotel is damaged, no one is injured.
September 5 » The Gotthard Road Tunnel opens in Switzerland as the world's longest highway tunnel at 10.14 miles (16.32km) stretching from Göschenen to Airolo.
September 23 » Bob Marley plays what would be the last concert of his life in Pittsburgh, Pennsylvania.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I5567.php : accessed February 3, 2026), "Herman van de Vlekkert (1910-1980)".
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