The temperature on October 7, 1866 was about 18.9 °C. The air pressure was 1 kgf/m2 and came mainly from the northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 58%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
In The Netherlands , there was from February 10, 1866 to June 1, 1866 the cabinet Fransen van de Putte, with I.D. Fransen van de Putte (liberaal) as prime minister.
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
April 6 » The Grand Army of the Republic, an American patriotic organization composed of Union veterans of the American Civil War, is founded. It lasts until 1956.
April 10 » The American Society for the Prevention of Cruelty to Animals (ASPCA) is founded in New York City by Henry Bergh.
May 22 » Oliver Winchester founded the Winchester Repeating Arms
July 20 » Austro-Prussian War: Battle of Lissa: The Austrian Navy, led by Admiral Wilhelm von Tegetthoff, defeats the Italian Navy near the island of Vis in the Adriatic Sea.
August 20 » President Andrew Johnson formally declares the American Civil War over.
October 19 » In accordance with the Treaty of Vienna, Austria cedes Veneto and Mantua to France, which immediately awards them to Italy in exchange for the earlier Italian acquiescence to the French annexation of Savoy and Nice.
Day of marriage April 28, 1915
The temperature on April 28, 1915 was between 5.7 °C and 20.1 °C and averaged 12.7 °C. There was 12.8 hours of sunshine (87%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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.
January 31 » World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia.
February 8 » D. W. Griffith's controversial film The Birth of a Nation premieres in Los Angeles.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
May 24 » World War I: Italy declares war on Austria-Hungary, joining the conflict on the side of the Allies.
August 17 » A Category 4 hurricane hits Galveston, Texas with winds at 135 miles per hour (217km/h).
Day of death March 31, 1924
The temperature on March 31, 1924 was between -0.8 °C and 5.7 °C and averaged 3.2 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
May 10 » J. Edgar Hoover is appointed first Director of the United States' Federal Bureau of Investigation (FBI), and remains so until his death in 1972.
June 26 » The American occupation of the Dominican Republic ends after eight years.
October 7 » Andreas Michalakopoulos becomes prime minister of Greece for a short period of time.
November 4 » Nellie Tayloe Ross of Wyoming becomes the first female elected as governor in the United States.
November 23 » Edwin Hubble's discovery, that the Andromeda "nebula" is actually another island galaxy far outside of our own Milky Way, is first published in The New York Times.
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/I3812.php : accessed January 27, 2026), "Trijntje Leenheer (1866-1924)".
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