January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
January 23 » The Malolos Constitution is inaugurated, establishing the First Philippine Republic. Emilio Aguinaldo is sworn in as its first President.
March 6 » Bayer registers "Aspirin" as a trademark.
July 11 » Fiat founded by Giovanni Agnelli in Turin, Italy.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
July 29 » The First Hague Convention is signed.
Day of death October 22, 1915
The temperature on October 22, 1915 was between -1.4 °C and 12.4 °C and averaged 4.3 °C. There was 6.0 hours of sunshine (58%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 8 » D. W. Griffith's controversial film The Birth of a Nation premieres in Los Angeles.
March 20 » Albert Einstein publishes his general theory of relativity.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
August 6 » World War I: Battle of Sari Bair: The Allies mount a diversionary attack timed to coincide with a major Allied landing of reinforcements at Suvla Bay.
August 29 » US Navy salvage divers raise F-4, the first U.S. submarine sunk in an accident.
October 13 » First World War: The Battle of the Hohenzollern Redoubt marks the end of the Battle of Loos.
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/I101990.php : accessed October 21, 2026), "Petrus de Boer (1899-1915)".
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