January 1 » The British colonies of New South Wales, Queensland, Victoria, South Australia, Tasmania, and Western Australia federate as the Commonwealth of Australia; Edmund Barton is appointed the first Prime Minister.
January 22 » Edward VII is proclaimed King after the death of his mother, Queen Victoria.
July 4 » William Howard Taft becomes American governor of the Philippines.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
November 1 » Sigma Phi Epsilon, the largest national male collegiate fraternity, is established at Richmond College, in Richmond, Virginia.
Day of marriage September 18, 1940
The temperature on September 18, 1940 was between 11.6 °C and 17.2 °C and averaged 14.3 °C. There was 5.3 hours of sunshine (42%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
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.
April 25 » Merkið, the flag of the Faroe Islands is approved by the British occupation government.
May 14 » World War II: Rotterdam, Netherlands is bombed by the Luftwaffe of Nazi Germany despite a ceasefire, killing about 900 people and destroying the historic city center.
May 15 » Richard and Maurice McDonald open the first McDonald's restaurant.
May 17 » World War II: Germany occupies Brussels, Belgium.
June 14 » World War II: The German occupation of Paris begins.
August 18 » World War II: The Hardest Day air battle, part of the Battle of Britain. At that point, the largest aerial engagement in history with heavy losses sustained on both sides.
Day of death February 18, 1954
The temperature on February 18, 1954 was between -0.9 °C and 2.7 °C and averaged 0.3 °C. There was 1.1 mm of rain during 5.0 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Robert de Rooij, "Family tree de Rooij", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_de_rooij/I19082.php : accessed February 7, 2026), "Gerrit van Leeuwen (1901-1954)".
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