January 1 » Nigeria becomes a British protectorate.
June 11 » The boundaries of the Colony of New Zealand are extended by the UK to include the Cook Islands.
September 17 » Second Boer War: Boers capture a squadron of the 17th Lancers at the Battle of Elands River.
October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
October 29 » In Amherst, Massachusetts, nurse Jane Toppan is arrested for murdering the Davis family of Boston with an overdose of morphine.
October 29 » Leon Czolgosz, the assassin of U.S. President William McKinley, is executed by electrocution.
Day of death May 23, 1912
The temperature on May 23, 1912 was between 8.9 °C and 17.7 °C and averaged 12.7 °C. There was 10.0 hours of sunshine (62%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
March 12 » The Girl Guides (later renamed the Girl Scouts of the USA) are founded in the United States.
October 7 » The Helsinki Stock Exchange sees its first transaction.
October 18 » First Balkan War: King Peter I of Serbia issues a declaration "To the Serbian People", as his country joins the war.
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
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/I201757.php : accessed October 1, 2026), "Wijkelina Datema (1901-1912)".
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