The temperature on April 11, 1889 was about 9.5 °C. The air pressure was 3 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 89%. Source: KNMI
February 9 » US president Grover Cleveland signs a bill elevating the United States Department of Agriculture to a Cabinet-level agency.
April 22 » At noon, thousands rush to claim land in the Land Rush of 1889. Within hours the cities of Oklahoma City and Guthrie are formed with populations of at least 10,000.
June 3 » The first long-distance electric power transmission line in the United States is completed, running 14 miles (23km) between a generator at Willamette Falls and downtown Portland, Oregon.
July 11 » Tijuana, Mexico, is founded.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
Day of marriage March 17, 1917
The temperature on March 17, 1917 was between 3.2 °C and 10.3 °C and averaged 6.1 °C. There was 0.2 mm of rain. There was 8.6 hours of sunshine (72%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
March 8 » International Women's Day protests in St. Petersburg mark the beginning of the February Revolution (February 23rd in the Julian calendar).
August 6 » World War I: Battle of Mărășești between the Romanian and German armies begins.
October 24 » First World War: Italy suffers a disastrous defeat on the Austro-Italian front.
November 2 » The Balfour Declaration proclaims British support for the "establishment in Palestine of a national home for the Jewish people" with the clear understanding "that nothing shall be done which may prejudice the civil and religious rights of existing non-Jewish communities".
November 5 » Tikhon is elected the Patriarch of Moscow and of the Russian Orthodox Church.
November 25 » World War I: German forces defeat Portuguese army of about 1,200 at Negomano on the border of modern-day Mozambique and Tanzania.
Day of death September 14, 1961
The temperature on September 14, 1961 was between 12.7 °C and 18.5 °C and averaged 15.3 °C. There was 4.6 mm of rain during 1.7 hours. There was 2.6 hours of sunshine (20%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 31 » Project Mercury: Mercury-Redstone 2: Ham the Chimp travels into outer space.
March 30 » The Single Convention on Narcotic Drugs is signed in New York City.
May 5 » Alan Shepard becomes the first American to travel into outer space, on a sub-orbital flight.
May 24 » American civil rights movement: Freedom Riders are arrested in Jackson, Mississippi, for "disturbing the peace" after disembarking from their bus.
July 21 » Mercury program: Mercury-Redstone 4 Mission: Gus Grissom piloting Liberty Bell 7 becomes the second American to go into space (in a suborbital mission).
November 21 » The "La Ronde" opens in Honolulu, first revolving restaurant in the United States.
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/I67792.php : accessed February 9, 2026), "Jan Ettema (1889-1961)".
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