The temperature on November 13, 1889 was about 1.9 °C. The air pressure was 4 kgf/m2 and came mainly from the south-southeast. The airpressure was 77 cm mercury. The atmospheric humidity was 98%. Source: KNMI
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
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.
June 29 » Hyde Park and several other Illinois townships vote to be annexed by Chicago, forming the largest United States city in area and second largest in population at the time.
Day of marriage May 20, 1914
The temperature on May 20, 1914 was between 8.5 °C and 20.6 °C and averaged 14.3 °C. There was 13.0 hours of sunshine (82%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-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.
February 13 » Copyright: In New York City the American Society of Composers, Authors and Publishers is established to protect the copyrighted musical compositions of its members.
August 2 » The German occupation of Luxembourg during World War I begins.
August 5 » World War I: The German minelayer SSKönigin Luise lays a minefield about 40 miles (64km) off the Thames Estuary (Lowestoft). She is intercepted and sunk by the British light-cruiser HMSAmphion.
August 20 » World War I: Brussels is captured during the German invasion of Belgium.
September 11 » World War I: Australia invades German New Guinea, defeating a German contingent at the Battle of Bita Paka.
December 15 » World War I: The Serbian Army recaptures Belgrade from the invading Austro-Hungarian Army.
Day of death August 30, 1961
The temperature on August 30, 1961 was between 17.4 °C and 30.9 °C and averaged 22.3 °C. There was 11.7 hours of sunshine (85%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 8 » In France a referendum supports Charles de Gaulle's policies in Algeria.
January 20 » John F. Kennedy is inaugurated the 35th President of the United States of America, becoming the second youngest man to take the office, and the first Catholic.
March 30 » The Single Convention on Narcotic Drugs is signed in New York City.
May 9 » FCC Chairman Newton N. Minow gives his Wasteland Speech.
May 24 » American civil rights movement: Freedom Riders are arrested in Jackson, Mississippi, for "disturbing the peace" after disembarking from their bus.
September 20 » Greek general Konstantinos Dovas becomes Prime Minister of Greece.
When copying data from this family tree, please include a reference to the origin: Sim Mostert, "Genealogy Pot en Smit", database, Genealogy Online (https://www.genealogieonline.nl/genealogie_pot_smit/I5892.php : accessed October 19, 2026), "PIETER BOER (1889-1961)".
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