The temperature on September 18, 1905 was between 5.9 °C and 16.8 °C and averaged 11.7 °C. There was 8.2 hours of sunshine (65%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
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.
April 30 » Albert Einstein completes his doctoral thesis at the University of Zurich.
August 13 » Norwegians vote to end the union with Sweden.
September 11 » The Ninth Avenue derailment occurs in New York City, killing 13.
October 26 » King Oscar II recognizes the dissolution of the union between Norway and Sweden.
November 21 » Albert Einstein's paper that leads to the mass–energy equivalence formula, E=mc², is published in the journal Annalen der Physik.
December 15 » The Pushkin House is established in Saint Petersburg, Russia, to preserve the cultural heritage of Alexander Pushkin.
Day of marriage July 14, 1926
The temperature on July 14, 1926 was between 16.6 °C and 29.9 °C and averaged 23.1 °C. There was 13.5 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
March 16 » History of Rocketry: Robert Goddard launches the first liquid-fueled rocket, at Auburn, Massachusetts.
April 6 » Varney Airlines makes its first commercial flight (Varney is the root company of United Airlines).
May 9 » Admiral Richard E. Byrd and Floyd Bennett claim to have flown over the North Pole (later discovery of Byrd's diary appears to cast some doubt on the claim.)
May 22 » Chiang Kai-shek replaces the communists in Kuomintang China.
May 28 » The 28 May 1926 coup d'état: Ditadura Nacional is established in Portugal to suppress the unrest of the First Republic.
September 8 » Germany is admitted to the League of Nations.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I18226.php : accessed February 6, 2026), "Isabella Susanna Roets (1905-)".
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