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 11 » Spelman College is founded in Atlanta, Georgia as the Atlanta Baptist Female Seminary, an institute of higher education for African-American women.
June 14 » The White Rajahs territories become the British protectorate of Sarawak.
June 28 » The Austro–Serbian Alliance of 1881 is secretly signed.
July 1 » General Order 70, the culmination of the Cardwell and Childers reforms of the British Army, comes into effect.
August 27 » The Georgia hurricane makes landfall near Savannah, Georgia, resulting in an estimated 700 deaths.
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
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
April 16 » The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.
May 6 » George V becomes King of Great Britain, Ireland, and many overseas territories, on the death of his father, Edward VII.
May 11 » An act of the U.S. Congress establishes Glacier National Park in Montana.
October 22 » Hawley Harvey Crippen (the first felon to be arrested with the help of radio) is convicted of poisoning his wife.
November 20 » Mexican Revolution: Francisco I. Madero issues the Plan de San Luis Potosí, denouncing Mexican President Porfirio Díaz, calling for a revolution to overthrow the government of Mexico, effectively starting the Mexican Revolution.
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.
March 15 » Philippine Airlines, the flag carrier of the Philippines takes its first flight between Manila (from Nielson Field) to Baguio City with a Beechcraft Model 18 making the airline the first and oldest commercial airline in Asia operating under its original name.
May 15 » First flight of the Gloster E.28/39 the first British and Allied jet aircraft.
September 30 » World War II: The Babi Yar massacre comes to an end.
October 30 » Holocaust: Fifteen hundred Jews from Pidhaytsi are sent by Nazis to Bełżec extermination camp.
November 7 » World War II: Soviet hospital ship Armenia is sunk by German planes while evacuating refugees and wounded military and staff of several Crimean hospitals. It is estimated that over 5,000 people died in the sinking.
December 9 » World War II: China, Cuba, Guatemala, and the Philippine Commonwealth declare war on Germany and Japan.
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 September 28, 2026), "WILLEM IVO OPSTELTEN (1881-1941)".
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