The temperature on April 25, 1883 was about 11.2 °C. The air pressure was 5 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 49%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
February 23 » Alabama becomes the first U.S. state to enact an anti-trust law.
March 20 » The Paris Convention for the Protection of Industrial Property is signed.
May 27 » Alexander III is crowned Tsar of Russia.
August 25 » France and Viet Nam sign the Treaty of Huế, recognizing a French protectorate over Annam and Tonkin.
August 26 » The 1883 eruption of Krakatoa begins its final, paroxysmal, stage.
October 4 » First meeting of the Boys' Brigade in Glasgow, Scotland.
Day of marriage April 25, 1912
The temperature on April 25, 1912 was between 6.3 °C and 19.2 °C and averaged 12.5 °C. There was 12.6 hours of sunshine (87%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
January 23 » The International Opium Convention is signed at The Hague.
March 12 » The Girl Guides (later renamed the Girl Scouts of the USA) are founded in the United States.
May 4 » Italy occupies the Greek island of Rhodes.
June 30 » The Regina Cyclone, Canada's deadliest tornado event, kills 28 people in Regina, Saskatchewan.
December 8 » Leaders of the German Empire hold an Imperial War Council to discuss the possibility that war might break out.
Day of death September 30, 1968
The temperature on September 30, 1968 was between 7.5 °C and 14.3 °C and averaged 11.5 °C. There was 16.2 mm of rain during 6.1 hours. There was 1.7 hours of sunshine (14%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
March 12 » Mauritius achieves independence from the United Kingdom.
April 11 » President Lyndon B. Johnson signs the Civil Rights Act of 1968, prohibiting discrimination in the sale, rental, and financing of housing.
September 6 » Swaziland becomes independent.
November 27 » Penny Ann Early became the first woman to play major professional basketball for the Kentucky Colonels in an ABA game against the Los Angeles Stars.
December 9 » Douglas Engelbart gave what became known as "The Mother of All Demos", publicly debuting the computer mouse, hypertext, and the bit-mapped graphical user interface using the oN-Line System (NLS).
December 20 » The Zodiac Killer kills Betty Lou Jenson and David Faraday in Vallejo, California.
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/I209401.php : accessed October 20, 2026), "Antje Pera (1883-1968)".
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