The temperature on September 16, 1910 was between 10.3 °C and 18.8 °C and averaged 14.1 °C. There was 0.2 mm of rain. There was 8.1 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
May 4 » The Royal Canadian Navy is created.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
September 20 » The ocean liner SSFrance, later known as the "Versailles of the Atlantic", is launched.
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
November 20 » Mexican Revolution: Francisco I. Madero issues the Plan de San Luis Potosí, denouncing Mexican President Porfirio Díaz, calling for a revolution to overthrow the government of Mexico, effectively starting the Mexican Revolution.
Day of death July 3, 1912
The temperature on July 3, 1912 was between 6.9 °C and 19.0 °C and averaged 14.5 °C. There was 3.1 hours of sunshine (19%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
April 20 » Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
December 19 » William Van Schaick, captain of the steamship General Slocum which caught fire and killed over one thousand people, is pardoned by U.S. President William Howard Taft after 3⁄2 years in Sing Sing prison.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I118574.php : accessed October 18, 2026), "Wiebe de Haan (1910-1912)".
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