The temperature on August 17, 1889 was about 18.3 °C. The air pressure was 14 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 86%. Source: KNMI
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
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.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
Day of marriage June 1, 1916
The temperature on June 1, 1916 was between 8.0 °C and 20.5 °C and averaged 14.7 °C. There was 8.1 hours of sunshine (49%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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.
April 29 » Easter Rising: After six days of fighting, Irish rebel leaders surrender to British forces in Dublin, bringing the Easter Rising to an end.
May 16 » The United Kingdom of Great Britain and Ireland and the French Third Republic sign the secret wartime Sykes-Picot Agreement partitioning former Ottoman territories such as Iraq and Syria.
June 1 » Louis Brandeis becomes the first Jew appointed to the United States Supreme Court.
September 27 » Iyasu V is proclaimed deposed as ruler of Ethiopia in a palace coup in favor of his aunt Zewditu.
October 16 » Margaret Sanger opens the first family planning clinic in the United States.
December 23 » World War I: Battle of Magdhaba: Allied forces defeat Turkish forces in the Sinai Peninsula.
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/I80397.php : accessed September 23, 2026), "Ernst Ettema (1889-????)".
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