The temperature on March 23, 1910 was between 0.1 °C and 8.3 °C and averaged 4.8 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 15 » Construction ends on the Buffalo Bill Dam in Wyoming, United States, which was the highest dam in the world at the time, at 325ft (99m).
March 8 » French aviator Raymonde de Laroche becomes the first woman to receive a pilot's license.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
August 22 » Korea is annexed by Japan with the signing of the Japan–Korea Treaty of 1910, beginning a period of Japanese rule of Korea that lasted until the end of World War II.
September 12 » Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter).
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
Day of marriage August 4, 1934
The temperature on August 4, 1934 was between 9.5 °C and 19.7 °C and averaged 15.1 °C. There was 2.5 mm of rain during 4.8 hours. There was 1.7 hours of sunshine (11%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
May 19 » Zveno and the Bulgarian Army engineer a coup d'état and install Kimon Georgiev as the new Prime Minister of Bulgaria.
June 26 » United States President Franklin D. Roosevelt signs the Federal Credit Union Act, which establishes credit unions.
July 2 » The Night of the Long Knives ends with the death of Ernst Röhm.
July 20 » West Coast waterfront strike: In Seattle, police fire tear gas on and club 2,000 striking longshoremen. The governor of Oregon calls out the National Guard to break a strike on the Portland docks.
August 11 » The first civilian prisoners arrive at the Federal prison on Alcatraz Island.
September 21 » A large typhoon hits western Honshū, Japan, killing more than three thousand people.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I807.php : accessed January 5, 2026), "Maartje Joon (1910-)".
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