January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
February 2 » The Australian Premiers' Conference held in Melbourne decides to locate Australia's capital city, Canberra, between Sydney and Melbourne.
February 4 » The Philippine–American War begins with the Battle of Manila.
April 18 » The St. Andrew's Ambulance Association is granted a royal charter by Queen Victoria.
November 2 » The Boers begin their 118-day siege of British-held Ladysmith during the Second Boer War.
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 12 » In Washington, D.C., the first stone of the Lincoln Memorial is put into place.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
March 18 » World War I: During the Battle of Gallipoli, three battleships are sunk during a failed British and French naval attack on the Dardanelles.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
August 17 » Jewish American Leo Frank is lynched in Marietta, Georgia after a 13-year-old girl is murdered.
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 25, 2026), "Petrus de Boer (1899-1915)".
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