The temperature on April 15, 1889 was about 6.1 °C. There was 0.2 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 81%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
July 8 » The first issue of The Wall Street Journal is published.
July 11 » Tijuana, Mexico, is founded.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
Day of marriage May 11, 1912
The temperature on May 11, 1912 was between 7.1 °C and 25.1 °C and averaged 15.6 °C. There was 2.1 hours of sunshine (14%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
January 11 » Immigrant textile workers in Lawrence, Massachusetts, go on strike when wages are reduced in response to a mandated shortening of the work week.
June 4 » Massachusetts becomes the first state of the United States to set a minimum wage.
October 24 » First Balkan War: The Battle of Kumanovo concludes with the Serbian victory against the Ottoman Empire.
December 28 » The first municipally owned streetcars take to the streets in San Francisco.
Day of death June 24, 1976
The temperature on June 24, 1976 was between 17.4 °C and 32.0 °C and averaged 24.7 °C. There was 13.6 hours of sunshine (81%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
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.
January 12 » The United Nations Security Council votes 11–1 to allow the Palestine Liberation Organization to participate in a Security Council debate (without voting rights).
April 7 » Member of Parliament and suspected spy John Stonehouse resigns from the Labour Party (UK) after being arrested for faking his own death.
May 21 » Twenty-nine people are killed in the Yuba City bus disaster in Martinez, California.
June 27 » Air France Flight 139 (Tel Aviv-Athens-Paris) is hijacked en route to Paris by the PLO and redirected to Entebbe, Uganda.
December 2 » Fidel Castro becomes President of Cuba, replacing Osvaldo Dorticós Torrado.
December 25 » EgyptAir Flight 664, a Boeing 707-366C, crashes on approach to Don Mueang International Airport, killing 71 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/I12531.php : accessed October 25, 2026), "Aaltje Koop (1889-1976)".
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