The temperature on December 23, 1889 was about 7.4 °C. There was 7 mm of rain. The airpressure was 76 cm mercury. The atmospheric humidity was 98%. Source: KNMI
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
November 15 » Brazil is declared a republic by Marshal Deodoro da Fonseca as Emperor Pedro II is deposed in a military coup.
Day of marriage June 2, 1915
The temperature on June 2, 1915 was between 5.1 °C and 20.8 °C and averaged 14.3 °C. There was 13.5 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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 19 » Georges Claude patents the neon discharge tube for use in advertising.
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.
May 17 » The last British Liberal Party government (led by H. H. Asquith) falls.
September 5 » The pacifist Zimmerwald Conference begins.
October 13 » First World War: The Battle of the Hohenzollern Redoubt marks the end of the Battle of Loos.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
Day of death September 21, 1961
The temperature on September 21, 1961 was between 11.0 °C and 21.1 °C and averaged 16.2 °C. There was 4.5 hours of sunshine (36%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
May 31 » The South African Constitution of 1961 becomes effective, thus creating the Republic of South Africa, which remains outside the Commonwealth of Nations until 1 June 1994, when South Africa is returned to Commonwealth membership.
September 18 » CONCACAF is established as the governing body for association football in North America, Central America and the Caribbean.
September 28 » A military coup in Damascus effectively ends the United Arab Republic, the union between Egypt and Syria.
October 1 » The United States Defense Intelligence Agency is formed, becoming the country's first centralized military intelligence organization.
November 21 » The "La Ronde" opens in Honolulu, first revolving restaurant in the United States.
December 19 » India annexes Daman and Diu, part of Portuguese India.
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/I130990.php : accessed December 30, 2025), "Janke Iestra (1889-1961)".
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