The temperature on August 7, 1884 was about 26.3 °C. The air pressure was 6 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 43%. 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.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
May 1 » Moses Fleetwood Walker becomes the first black person to play in a professional baseball game in the United States.
May 31 » The arrival at Plymouth of Tāwhiao, King of Maoris, to claim the protection of Queen Victoria.
October 14 » George Eastman receives a U.S. Government patent on his new paper-strip photographic film.
December 6 » The Washington Monument in Washington, D.C., is completed.
December 10 » Mark Twain's Adventures of Huckleberry Finn is published.
Day of marriage June 21, 1905
The temperature on June 21, 1905 was between 12.2 °C and 23.0 °C and averaged 17.8 °C. There was 9.7 hours of sunshine (58%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
January 22 » Bloody Sunday in Saint Petersburg, beginning of the 1905 revolution.
January 26 » The world's largest diamond ever, the Cullinan weighing 3,106.75 carats (0.621350kg), is found at the Premier Mine near Pretoria in South Africa.
February 5 » In Mexico, the General Hospital of Mexico is inaugurated, started with four basic specialties.
October 5 » The Wright brothers pilot the Wright Flyer III in a new world record flight of 24 miles in 39 minutes.
October 30 » Czar Nicholas II issues the October Manifesto, granting the Russian peoples basic civil liberties and the right to form a duma. (October 17 in the Julian calendar)
December 9 » In France, the law separating church and state is passed.
Day of death February 8, 1956
The temperature on February 8, 1956 was between -3.7 °C and 2.9 °C and averaged 0.2 °C. There was 2.1 mm of rain during 2.9 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
February 20 » The United States Merchant Marine Academy becomes a permanent Service Academy.
May 20 » In Operation Redwing, the first United States airborne hydrogen bomb is dropped over Bikini Atoll in the Pacific Ocean.
July 30 » A joint resolution of the U.S. Congress is signed by President Dwight D. Eisenhower, authorizing In God We Trust as the U.S. national motto.
August 6 » After going bankrupt in 1955, the American broadcaster DuMont Television Network makes its final broadcast, a boxing match from St. Nicholas Arena in New York in the Boxing from St. Nicholas Arena series.
November 12 » In the midst of the Suez Crisis, Palestinian refugees are shot dead in Rafah by Israeli soldiers following the invasion of the Gaza Strip.
November 12 » Morocco, Sudan and Tunisia join the United Nations.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I2366.php : accessed February 6, 2026), "Johanna Wilhelmina Maria Smit (1884-1956)".
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