February 14 » Voting machines are approved by the U.S. Congress for use in federal elections.
March 27 » Emilio Aguinaldo leads Filipino forces for the only time during the Philippine–American War at the Battle of Marilao River.
April 18 » The St. Andrew's Ambulance Association is granted a royal charter by Queen Victoria.
May 30 » Pearl Hart, a female outlaw of the Old West, robs a stage coach 30 miles southeast of Globe, Arizona.
September 13 » Mackinder, Ollier and Brocherel make the first ascent of Batian (5,199 m - 17,058ft), the highest peak of Mount Kenya.
December 11 » Second Boer War: In the Battle of Magersfontein the Boers commanded by general Piet Cronjé inflict a defeat on the forces of the British Empire commanded by Lord Methuen trying to relieve the Siege of Kimberley.
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.
April 5 » Boxing challenger Jess Willard knocks out Jack Johnson in Havana, Cuba to become the Heavyweight Champion of the World.
May 9 » World War I: Second Battle of Artois between German and French forces.
May 24 » World War I: Italy declares war on Austria-Hungary, joining the conflict on the side of the Allies.
June 9 » William Jennings Bryan resigns as Woodrow Wilson's Secretary of State over a disagreement regarding the United States' handling of the sinking of the RMSLusitania.
July 5 » The Liberty Bell leaves Philadelphia by special train on its way to the Panama–Pacific International Exposition. This is the last trip outside Philadelphia that the custodians of the bell intend to permit.
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 19, 2026), "Petrus de Boer (1899-1915)".
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