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.
May 9 » Australia opens its first national parliament in Melbourne.
July 4 » William Howard Taft becomes American governor of the Philippines.
October 24 » Annie Edson Taylor becomes the first person to go over Niagara Falls in a barrel.
October 29 » Leon Czolgosz, the assassin of U.S. President William McKinley, is executed by electrocution.
November 27 » The U.S. Army War College is established.
Day of marriage March 31, 1926
The temperature on March 31, 1926 was between -1.0 °C and 12.8 °C and averaged 6.6 °C. There was 8.9 hours of sunshine (69%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
January 26 » The first demonstration of the television by John Logie Baird.
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 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.
June 14 » Brazil leaves the League of Nations.
August 20 » Japan's public broadcasting company, Nippon Hōsō Kyōkai (NHK) is established.
September 8 » Germany is admitted to the League of Nations.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I45827.php : accessed February 19, 2026), "Hermanus de Graaff (1901-)".
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