June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
June 19 » Benito Mussolini, at the time a radical Socialist, is arrested by Bern police for advocating a violent general strike.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
September 11 » The first race at the Milwaukee Mile in West Allis, Wisconsin is held. It is the oldest major speedway in the world.
October 6 » The High Court of Australia sits for the first time.
December 17 » The Wright brothers make the first controlled powered, heavier-than-air flight in the Wright Flyer at Kitty Hawk, North Carolina.
Day of marriage March 10, 1923
The temperature on March 10, 1923 was between 0.2 °C and 6.9 °C and averaged 2.7 °C. There was 0.2 mm of rain. There was 2.6 hours of sunshine (23%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 9 » Lithuanian residents of the Memel Territory rebel against the League of Nations' decision to leave the area as a mandated region under French control.
February 15 » Greece becomes the last European country to adopt the Gregorian calendar.
August 16 » The United Kingdom gives the name "Ross Dependency" to part of its claimed Antarctic territory and makes the Governor-General of the Dominion of New Zealand its administrator.
September 29 » The French Mandate for Syria and the Lebanon takes effect.
October 29 » Turkey becomes a republic following the dissolution of the Ottoman Empire.
October 31 » The first of 160 consecutive days of 100° Fahrenheit at Marble Bar, Western Australia.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I34647.php : accessed February 16, 2026), "Harm Brinks (1903-)".
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