The temperature on June 13, 1909 was between 9.5 °C and 15.3 °C and averaged 11.5 °C. There was 0.5 hours of sunshine (3%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
February 12 » The National Association for the Advancement of Colored People (NAACP) is founded.
February 26 » Kinemacolor, the first successful color motion picture process, is first shown to the general public at the Palace Theatre in London.
March 4 » U.S. President William Taft used what became known as a Saxbe fix, a mechanism to avoid the restriction of the U.S. Constitution's Ineligibility Clause, to appoint Philander C. Knox as U.S. Secretary of State.
April 6 » Robert Peary and Matthew Henson become the first people to reach the North Pole; Peary's claim has been disputed because of failings in his navigational ability.
April 18 » Joan of Arc is beatified in Rome.
July 16 » Persian Constitutional Revolution: Mohammad Ali Shah Qajar is forced out as Shah of Persia and is replaced by his son Ahmad Shah Qajar.
Day of marriage September 25, 1930
The temperature on September 25, 1930 was between 9.9 °C and 17.5 °C and averaged 13.0 °C. There was 3.9 mm of rain during 1.7 hours. There was 4.8 hours of sunshine (40%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
April 6 » At the end of the Salt March, Gandhi raises a lump of mud and salt and declares, "With this, I am shaking the foundations of the British Empire."
April 22 » The United Kingdom, Japan and the United States sign the London Naval Treaty regulating submarine warfare and limiting shipbuilding.
May 27 » The 1,046 feet (319m) Chrysler Building in New York City, the tallest man-made structure at the time, opens to the public.
June 16 » Sovnarkom establishes decree time in the USSR.
June 21 » One-year conscription comes into force in France.
October 5 » British airship R101 crashes in France en route to India on its maiden voyage.
When copying data from this family tree, please include a reference to the origin: Wim Ackermans, "Family tree Ackermans", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ackermans/I1981.php : accessed January 12, 2026), "Elisabeth Wouterina Walraven (1909-)".
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