The temperature on December 21, 1910 was between 4.9 °C and 8.6 °C and averaged 7.1 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
July 4 » The Johnson–Jeffries riots occur after African-American boxer Jack Johnson knocks out white boxer Jim Jeffries in the 15th round. Between 11 and 26 people are killed and hundreds more injured.
August 20 » Extremely dry and windy weather in the Inland Northwest of the United States causes several small wildfires to coalesce into the Great Fire of 1910, burning approximately 3million acres (12,000km) and killing 87 people.
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
November 7 » The first air freight shipment (from Dayton, Ohio, to Columbus, Ohio) is undertaken by the Wright brothers and department store owner Max Moorehouse.
Day of death January 23, 1911
The temperature on January 23, 1911 was between -2.1 °C and 0.4 °C and averaged -0.3 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 21 » The first Monte Carlo Rally takes place.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
October 5 » The Kowloon–Canton Railway commences service.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
December 14 » Roald Amundsen's team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, becomes the first to reach the South Pole.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
When copying data from this family tree, please include a reference to the origin: Ted Olde Scheper, "Family tree Olde Scheper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-olde-scheper/I805.php : accessed March 8, 2026), "Klaas Jans van der Sleen (1910-1911)".
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