The temperature on July 11, 1907 was between 7.4 °C and 15.9 °C and averaged 11.8 °C. There was 0.2 mm of rain. There was 4.6 hours of sunshine (28%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
January 6 » Maria Montessori opens her first school and daycare center for working class children in Rome, Italy.
February 5 » Belgian chemist Leo Baekeland announces the creation of Bakelite, the world's first synthetic plastic.
April 17 » The Ellis Island immigration center processes 11,747 people, more than on any other day.
August 15 » Ordination in Constantinople of Fr. Raphael Morgan, the first African-American Orthodox priest, "Priest-Apostolic" to America and the West Indies.
October 21 » The 1907 Qaratog earthquake hits the borders of Uzbekistan and Tajikistan, killing between 12,000 and 15,000 people.
December 17 » Ugyen Wangchuck is crowned first King of Bhutan.
Day of marriage June 6, 1931
The temperature on June 6, 1931 was between 7.1 °C and 16.1 °C and averaged 11.3 °C. There was 12.9 mm of rain during 5.7 hours. There was 1.1 hours of sunshine (7%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 3 » The United States adopts The Star-Spangled Banner as its national anthem.
March 15 » SSViking explodes off Newfoundland, killing 27 of the 147 on board.
March 26 » Ho Chi Minh Communist Youth Union is founded in Vietnam.
March 31 » A Transcontinental & Western Air airliner crashes near Bazaar, Kansas, killing eight, including University of Notre Dame head football coach Knute Rockne.
May 29 » Michele Schirru, a citizen of the United States, is executed by Italian military firing squad for intent to kill Benito Mussolini.
December 5 » Cathedral of Christ the Saviour in Moscow was destroyed on orders from Joseph Stalin.
Day of death June 22, 1948
The temperature on June 22, 1948 was between 10.7 °C and 17.0 °C and averaged 13.1 °C. There was 19.5 mm of rain during 5.8 hours. There was 4.1 hours of sunshine (24%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
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/I375243.php : accessed February 19, 2026), "Jan Posthuma (1907-1948)".
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