The temperature on July 31, 1936 was between 12.2 °C and 16.5 °C and averaged 14.3 °C. There was 4.4 mm of rain during 6.8 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
April 5 » Tupelo–Gainesville tornado outbreak: An F5 tornado kills 233 in Tupelo, Mississippi.
June 26 » Initial flight of the Focke-Wulf Fw 61, the first practical helicopter.
July 20 » The Montreux Convention is signed in Switzerland, authorizing Turkey to fortify the Dardanelles and Bosphorus but guaranteeing free passage to ships of all nations in peacetime.
August 9 » Summer Olympic Games: Games of the XI Olympiad: Jesse Owens wins his fourth gold medal at the games.
September 7 » The last thylacine, a carnivorous marsupial named Benjamin, dies alone in its cage at the Hobart Zoo in Tasmania.
October 26 » The first electric generator at Hoover Dam goes into full operation.
Day of death August 12, 1979
The temperature on August 12, 1979 was between 10.8 °C and 16.8 °C and averaged 14.6 °C. There was 0.6 mm of rain during 0.9 hours. The almost completely overcast was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 16 » The last Iranian Shah flees Iran with his family for good and relocates to Egypt.
February 20 » An earthquake cracks open the Sinila volcanic crater on the Dieng Plateau, releasing poisonous H2S gas and killing 149 villagers in the Indonesian province of Central Java.
April 1 » Iran becomes an Islamic republic by a 99% vote, officially overthrowing the Shah.
June 2 » Pope John Paul II starts his first official visit to his native Poland, becoming the first Pope to visit a Communist country.
September 1 » The American space probe Pioneer 11 becomes the first spacecraft to visit Saturn when it passes the planet at a distance of 21,000 kilometres (13,000mi).
November 17 » Brisbane Suburban Railway Electrification. The first stage from Ferny Grove to Darra is commissioned.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I18708.php : accessed January 20, 2026), "Jacobus Johannes Jankowitz (1936-1979)".
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