May 11 » Robert Gray commands the first expedition to sail into the Columbia River.
May 21 » A lava dome collapses on Mount Unzen, near the city of Shimbara on the Japanese island of Kyūshū, creating a deadly tsunami that kills nearly 15,000 people.
June 1 » Kentucky is admitted as the 15th state of the United States.
September 11 » The Hope Diamond is stolen along with other French crown jewels when six men break into the house where they are stored.
September 20 » French troops stop an allied invasion of France at the Battle of Valmy.
October 3 » A militia departs from the Spanish stronghold of Valdivia to quell a Huilliche uprising in southern Chile.
Day of death July 25, 1866
The temperature on July 25, 1866 was about 18.3 °C. The air pressure was 7 kgf/m2 and came mainly from the northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 59%. 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.
June 3 » The Fenians are driven out of Fort Erie, Ontario back into the United States.
July 25 » The United States Congress passes legislation authorizing the rank of General of the Army. Lieutenant General Ulysses S. Grant becomes the first to be promoted to this rank.
July 28 » At the age of 18, Vinnie Ream becomes the first and youngest female artist to receive a commission from the United States government for a statue (of Abraham Lincoln).
August 20 » President Andrew Johnson formally declares the American Civil War over.
October 22 » A plebiscite ratifies the annexion of Veneto and Mantua to Italy, which had occurred three days before, on October 19.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P13557.php : accessed January 6, 2026), "Floride Rebecca Bonneau- Calhoun (1792-1866)".
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