The temperature on July 2, 1926 was between 13.4 °C and 22.6 °C and averaged 17.6 °C. There was 0.4 mm of rain. There was 3.5 hours of sunshine (21%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
April 21 » Al-Baqi cemetery, former site of the mausoleum of four Shi'a Imams, is leveled to the ground by Wahhabis.
May 4 » The United Kingdom general strike begins.
May 28 » The 28 May 1926 coup d'état: Ditadura Nacional is established in Portugal to suppress the unrest of the First Republic.
June 23 » The College Board administers the first SAT exam.
September 8 » Germany is admitted to the League of Nations.
September 25 » The international Convention to Suppress the Slave Trade and Slavery is first signed.
Day of death October 12, 1927
The temperature on October 12, 1927 was between 8.8 °C and 13.3 °C and averaged 10.8 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
April 14 » The first Volvo car premieres in Gothenburg, Sweden.
June 27 » Prime Minister of Japan Tanaka Giichi convenes an eleven-day conference to discuss Japan's strategy in China. The Tanaka Memorial, a forged plan for world domination, is later claimed to be a secret report leaked from this conference.
July 15 » Massacre of July 15, 1927: Eighty-nine protesters are killed by the Austrian police in Vienna.
July 23 » The first station of the Indian Broadcasting Company goes on the air in Bombay.
November 21 » Columbine Mine massacre: Striking coal miners are allegedly attacked with machine guns by a detachment of state police dressed in civilian clothes.
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/I476187.php : accessed February 27, 2026), "Geert Pronk (1926-1927)".
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