January 1 » Nigeria becomes a British protectorate.
February 15 » The association football club Alianza Lima is founded in Lima, Peru, under the name Sport Alianza.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
September 7 » The Boxer Rebellion in Qing dynasty (modern-day China) officially ends with the signing of the Boxer Protocol.
September 17 » Second Boer War: Boers capture a squadron of the 17th Lancers at the Battle of Elands River.
Day of death June 12, 1941
The temperature on June 12, 1941 was between 3.3 °C and 17.0 °C and averaged 10.9 °C. There was 8.5 hours of sunshine (51%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
April 16 » World War II: The Italian-German Tarigo convoy is attacked and destroyed by British ships.
May 2 » Following the coup d'état against Iraq Crown Prince 'Abd al-Ilah earlier that year, the United Kingdom launches the Anglo-Iraqi War to restore him to power.
May 9 » World War II: The German submarine U-110 is captured by the Royal Navy. On board is the latest Enigma machine which Allied cryptographers later use to break coded German messages.
June 14 » June deportation: the first major wave of Soviet mass deportations and murder of Estonians, Latvians and Lithuanians, begins.
September 5 » Whole territory of Estonia is occupied by Nazi Germany.
December 25 » Admiral Émile Muselier seizes the archipelago of Saint Pierre and Miquelon, which become the first part of France to be liberated by the Free French Forces.
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/I204843.php : accessed January 19, 2026), "Josephus Adrianus Geerts (1901-1941)".
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