The temperature on December 10, 1909 was between -1.1 °C and 3.6 °C and averaged 1.4 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 15 » The Flores Theater fire in Acapulco, Mexico kills 250.
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
April 13 » The military of the Ottoman Empire reverses the Ottoman countercoup of 1909 to force the overthrow of Sultan Abdul Hamid II.
April 27 » Sultan of Ottoman Empire Abdul Hamid II is overthrown, and is succeeded by his brother, Mehmed V.
July 25 » Louis Blériot makes the first flight across the English Channel in a heavier-than-air machine from Calais to Dover, England, United Kingdom in 37 minutes.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
Christening day February 6, 1910
The temperature on February 6, 1910 was between 4.1 °C and 8.3 °C and averaged 7.0 °C. There was 7.6 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 1 » Captain David Beatty is promoted to Rear admiral, and becomes the youngest admiral in the Royal Navy (except for Royal family members) since Horatio Nelson.
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
October 11 » Piloted by Arch Hoxsey, Theodore Roosevelt becomes the first U.S. president to fly in an airplane.
October 21 » HMSNiobe arrives in Halifax Harbour to become the first ship of the Royal Canadian Navy.
November 10 » The date of Thomas A. Davis' opening of the San Diego Army and Navy Academy, although the official founding date is November 23, 1910.
When copying data from this family tree, please include a reference to the origin: Gerrie Pullen, "Family tree Pullen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-pullen/I1568.php : accessed February 16, 2026), "Derk Mulder (1909-)".
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