The temperature on August 20, 1887 was about 16.6 °C. The air pressure was 10 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 66%. 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.
February 8 » The Dawes Act authorizes the President of the United States to survey Native American tribal land and divide it into individual allotments.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
April 28 » A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé is released on order of William I, German Emperor, defusing a possible war.
May 9 » Buffalo Bill Cody's Wild West Show opens in London.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
Day of marriage August 1, 1940
The temperature on August 1, 1940 was between 12.4 °C and 19.8 °C and averaged 15.7 °C. There was 0.2 mm of rain. There was 2.0 hours of sunshine (13%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
May 20 » The Holocaust: The first prisoners arrive at a new concentration camp at Auschwitz.
June 15 » World War II: Operation Ariel begins: Allied troops start to evacuate France, following Germany's takeover of Paris and most of the nation.
June 18 » The "Finest Hour" speech is delivered by Winston Churchill.
July 6 » Story Bridge, a major landmark in Brisbane, as well as Australia's longest cantilever bridge is formally opened.
September 12 » Cave paintings are discovered in Lascaux, France.
November 7 » In Tacoma, Washington, the original Tacoma Narrows Bridge collapses in a windstorm, a mere four months after the bridge's completion.
Day of death December 31, 1959
The temperature on December 31, 1959 was between 4.4 °C and 9.0 °C and averaged 7.9 °C. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 29 » The first Melodifestivalen is held in Cirkus, Stockholm, Sweden.
February 6 » Jack Kilby of Texas Instruments files the first patent for an integrated circuit.
February 28 » Discoverer 1, an American spy satellite that is the first object intended to achieve a polar orbit, is launched but fails to achieve orbit.
August 17 » Quake Lake is formed by the magnitude 7.5 1959 Hebgen Lake earthquake near Hebgen Lake in Montana.
September 14 » The Soviet probe Luna 2 crashes onto the Moon, becoming the first man-made object to reach it.
October 21 » In New York City, the Solomon R. Guggenheim Museum opens to the public.
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/I3287.php : accessed September 30, 2026), "OTTOLINA LELS (1887-1959)".
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