The temperature on May 2, 1890 was about 9.9 °C. The air pressure was 1 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 88%. Source: KNMI
April 14 » The Pan-American Union is founded by the First International Conference of American States in Washington, D.C.
November 4 » City and South London Railway: London's first deep-level tube railway opens between King William Street and Stockwell.
November 29 » The Meiji Constitution goes into effect in Japan, and the first Diet convenes.
December 15 » Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation, leading to the Wounded Knee Massacre.
December 29 » Wounded Knee Massacre on Pine Ridge Indian Reservation, 300 Lakota are killed by the United States 7th Cavalry Regiment.
December 30 » Following the Wounded Knee Massacre, the United States Army and Lakota warriors face off in the Drexel Mission Fight.
Day of marriage June 6, 1912
The temperature on June 6, 1912 was between 9.9 °C and 17.4 °C and averaged 13.5 °C. There was 2.9 mm of rain. There was 5.0 hours of sunshine (30%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
May 8 » Paramount Pictures is founded.
June 30 » The Regina Cyclone, Canada's deadliest tornado event, kills 28 people in Regina, Saskatchewan.
August 6 » The Bull Moose Party meets at the Chicago Coliseum.
September 4 » Albanian rebels succeed in their revolt when the Ottoman Empire agrees to fulfill their demands
Day of death September 19, 1973
The temperature on September 19, 1973 was between 12.6 °C and 16.1 °C and averaged 14.2 °C. There was 9.7 mm of rain during 7.8 hours. There was 0.6 hours of sunshine (5%). The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
March 25 » Ireland gets a new newspaper called Sunday World.
June 9 » In horse racing, Secretariat wins the U.S. Triple Crown.
August 5 » Mars 6 is launched from the USSR.
October 20 » The Sydney Opera House is opened by Elizabeth II after 14 years of construction.
November 16 » U.S. President Richard Nixon signs the Trans-Alaska Pipeline Authorization Act into law, authorizing the construction of the Alaska Pipeline.
November 17 » The Athens Polytechnic uprising against the military regime ends in a bloodshed in the Greek capital.
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/I47790.php : accessed February 13, 2026), "Yttje Poortman (1890-1973)".
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