The temperature on August 9, 1887 was about 17.1 °C. The air pressure was 4 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 86%. 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 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
February 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
Day of marriage February 25, 1915
The temperature on February 25, 1915 was between -1.8 °C and 7.0 °C and averaged 1.6 °C. There was 0.2 mm of rain. There was 9.0 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 25 » Alexander Graham Bell inaugurates U.S. transcontinental telephone service, speaking from New York to Thomas Watson in San Francisco.
January 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
February 19 » World War I: The first naval attack on the Dardanelles begins when a strong Anglo-French task force bombards Ottoman artillery along the coast of Gallipoli.
July 7 » The First Battle of the Isonzo comes to an end.
October 13 » First World War: The Battle of the Hohenzollern Redoubt marks the end of the Battle of Loos.
October 14 » World War I: Bulgaria joins the Central Powers.
Day of death September 3, 1964
The temperature on September 3, 1964 was between 9.4 °C and 24.0 °C and averaged 15.9 °C. There was 11.7 hours of sunshine (86%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
January 12 » Rebels in Zanzibar begin a revolt known as the Zanzibar Revolution and proclaim a republic.
April 7 » IBM announces the System/360.
June 2 » The Palestine Liberation Organization (PLO) is formed.
August 5 » Vietnam War: Operation Pierce Arrow: American aircraft from carriers USSTiconderoga and USSConstellation bomb North Vietnam in retaliation for strikes against U.S. destroyers in the Gulf of Tonkin.
October 1 » The Free Speech Movement is launched on the campus of the University of California, Berkeley.
December 5 » Lloyd J. Old discovered the first linkage between the major histocompatibility complex (MHC) and disease—mouse leukemia—opening the way for the recognition of the importance of the MHC in the immune response.
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/I75935.php : accessed February 10, 2026), "Wietse Keuning (1887-1964)".
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