The temperature on April 15, 1884 was about 9.9 °C. The air pressure was 2 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 61%. Source: KNMI
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.
January 4 » The Fabian Society is founded in London, United Kingdom.
February 19 » More than sixty tornadoes strike the Southern United States, one of the largest tornado outbreaks in U.S. history.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
October 14 » George Eastman receives a U.S. Government patent on his new paper-strip photographic film.
October 22 » The International Meridian Conference designates the Royal Observatory, Greenwich as the world's prime meridian.
November 1 » The Gaelic Athletic Association is set up in Hayes's Hotel in Thurles, County Tipperary.
Day of marriage May 7, 1910
The temperature on May 7, 1910 was between 3.2 °C and 10.7 °C and averaged 6.5 °C. There was 4.4 mm of rain. There was 7.5 hours of sunshine (49%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
April 16 » The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
November 10 » The date of Thomas A. Davis' opening of the San Diego Army and Navy Academy, although the official founding date is November 23, 1910.
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
Day of death June 12, 1923
The temperature on June 12, 1923 was between 4.8 °C and 17.1 °C and averaged 11.7 °C. There was 1.2 mm of rain. There was 5.9 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
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/I189053.php : accessed December 28, 2025), "Marten Koornstra (1884-1923)".
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