The temperature on September 25, 1881 was about 14.9 °C. The air pressure was 3 kgf/m2 and came mainly from the south-southeast. The airpressure was 77 cm mercury. The atmospheric humidity was 65%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
February 16 » The Canadian Pacific Railway is incorporated by Act of Parliament at Ottawa (44th Vic., c.1).
April 14 » The Four Dead in Five Seconds Gunfight is fought in El Paso, Texas.
May 12 » In North Africa, Tunisia becomes a French protectorate.
June 29 » In Sudan, Muhammad Ahmad declares himself to be the Mahdi, the messianic redeemer of Islam.
July 23 » The Boundary Treaty of 1881 between Chile and Argentina is signed in Buenos Aires.
November 19 » A meteorite lands near the village of Grossliebenthal, southwest of Odessa, Ukraine.
Day of marriage May 12, 1910
The temperature on May 12, 1910 was between 7.9 °C and 20.6 °C and averaged 14.2 °C. There was 13.0 hours of sunshine (84%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 15 » Construction ends on the Buffalo Bill Dam in Wyoming, United States, which was the highest dam in the world at the time, at 325ft (99m).
August 22 » Korea is annexed by Japan with the signing of the Japan–Korea Treaty of 1910, beginning a period of Japanese rule of Korea that lasted until the end of World War II.
September 20 » The ocean liner SSFrance, later known as the "Versailles of the Atlantic", is launched.
October 11 » Piloted by Arch Hoxsey, Theodore Roosevelt becomes the first U.S. president to fly in an airplane.
October 21 » HMSNiobe arrives in Halifax Harbour to become the first ship of the Royal Canadian Navy.
December 21 » An underground explosion at the Hulton Bank Colliery No. 3 Pit in Over Hulton, Westhoughton, England, kills 344 miners.
Day of death January 5, 1941
The temperature on January 5, 1941 was between -6.2 °C and -3.3 °C and averaged -5.2 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
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.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 10 » World War II: The Greek army captures Kleisoura.
January 20 » A German officer is killed in Bucharest, Romania, sparking a rebellion and pogrom by the Iron Guard, killing 125 Jews and 30 soldiers.
January 22 » World War II: British and Commonwealth troops capture Tobruk from Italian forces during Operation Compass.
February 9 » World War II: The Cathedral of San Lorenzo in Genoa, Italy, is struck by a bomb which fails to detonate.
April 16 » World War II: The Nazi-affiliated Ustaše is put in charge of the Independent State of Croatia by the Axis powers after Operation 25 is effected.
December 5 » World War II: In the Battle of Moscow, Georgy Zhukov launches a massive Soviet counter-attack against the German army.
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/I3749.php : accessed December 26, 2025), "WILLEM IVO OPSTELTEN (1881-1941)".
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