May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
June 17 » Boxer Rebellion: Western Allied and Japanese forces capture the Taku Forts in Tianjin, China.
July 9 » The Federation of Australia is given royal assent.
August 14 » The Eight-Nation Alliance occupies Beijing, China, in a campaign to end the bloody Boxer Rebellion in China.
October 19 » Max Planck discovers Planck's law of black-body radiation.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death September 22, 1985
The temperature on September 22, 1985 was between 13.4 °C and 20.2 °C and averaged 16.7 °C. There was 7.7 mm of rain during 5.4 hours. There was 1.4 hours of sunshine (11%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
June 17 » Space Shuttle program: STS-51-G mission: Space Shuttle Discovery launches carrying Sultan bin Salman bin Abdulaziz Al Saud, the first Arab and first Muslim in space, as a payload specialist.
July 19 » The Val di Stava dam collapses killing 268 people in Val di Stava, Italy.
September 14 » Penang Bridge, the longest bridge in Malaysia, connecting the island of Penang to the mainland, opens to traffic.
October 26 » The Australian government returns ownership of Uluru to the local Pitjantjatjara Aboriginals.
November 13 » The volcano Nevado del Ruiz erupts and melts a glacier, causing a lahar (volcanic mudslide) that buries Armero, Colombia, killing approximately 23,000 people.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I143944.php : accessed March 1, 2026), "Anna Zijlstra (1900-1985)".
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