January 1 » The British colonies of New South Wales, Queensland, Victoria, South Australia, Tasmania, and Western Australia federate as the Commonwealth of Australia; Edmund Barton is appointed the first Prime Minister.
June 11 » The boundaries of the Colony of New Zealand are extended by the UK to include the Cook Islands.
June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
November 27 » The U.S. Army War College is established.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of marriage May 18, 1926
The temperature on May 18, 1926 was between 1.4 °C and 14.0 °C and averaged 7.2 °C. There was 0.7 mm of rain. There was 6.6 hours of sunshine (42%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 26 » The first demonstration of the television by John Logie Baird.
April 21 » Al-Baqi cemetery, former site of the mausoleum of four Shi'a Imams, is leveled to the ground by Wahhabis.
April 24 » The Treaty of Berlin is signed. Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party for the next five years.
May 9 » Admiral Richard E. Byrd and Floyd Bennett claim to have flown over the North Pole (later discovery of Byrd's diary appears to cast some doubt on the claim.)
May 25 » Sholom Schwartzbard assassinates Symon Petliura, the head of the government of the Ukrainian People's Republic, which is in government-in-exile in Paris.
November 11 » The United States Numbered Highway System is established.
Day of death July 11, 1961
The temperature on July 11, 1961 was between 12.7 °C and 22.2 °C and averaged 17.3 °C. There was 3.9 hours of sunshine (24%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
January 3 » Cold War: The United States severs diplomatic relations with Cuba over the latter's nationalization of American assets.
January 3 » The SL-1 nuclear reactor is destroyed by a steam explosion in the only reactor incident in the United States to cause immediate fatalities.
January 11 » Throgs Neck Bridge over the East River, linking New York City's boroughs of The Bronx and Queens, opens to road traffic.
January 31 » Project Mercury: Mercury-Redstone 2: Ham the Chimp travels into outer space.
October 1 » East and West Cameroon merge to form the Federal Republic of Cameroon.
November 12 » Terry Jo Duperrault is the sole survivor of a series of brutal murders aboard the Ketch Bluebelle.
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/I138096.php : accessed January 18, 2026), "Maria Catharina Henrica Timmermans (1901-1961)".
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