The temperature on September 23, 1909 was between 10.6 °C and 22.1 °C and averaged 15.6 °C. There was 5.9 hours of sunshine (48%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
January 28 » United States troops leave Cuba with the exception of Guantanamo Bay Naval Base after being there since the Spanish–American War.
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 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
September 23 » The novel Le Fantôme de l'Opéra (The Phantom of the Opera), by Gaston Leroux, is published as a serialization in Le Gaulois.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I94072.php : accessed February 17, 2026), "Antonius Maria Henricus Melis (1909-)".
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