March 4 » France is divided into 83 départements, cutting across the former provinces in an attempt to dislodge regional loyalties based on ownership of land by the nobility.
May 29 » Rhode Island becomes the last of North America's original Thirteen Colonies to ratify the Constitution and become one of the United States.
July 16 » The District of Columbia is established as the capital of the United States after signature of the Residence Act.
August 2 » The first United States Census is conducted.
December 17 » The Aztec calendar stone is discovered at El Zócalo, Mexico City.
December 26 » Louis XVI of France gives his public assent to Civil Constitution of the Clergy during the French Revolution.
Day of death August 12, 1866
The temperature on August 12, 1866 was about 16.3 °C. There was 0.1 mm of rain. The air pressure was 6.5 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 66%. 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).
March 27 » President of the United States of America Andrew Johnson vetoes the Civil Rights Act of 1866. His veto is overridden by Congress and the bill passes into law on April 9.
May 2 » Peruvian defenders fight off the Spanish fleet at the Battle of Callao.
May 5 » Memorial Day first celebrated in United States at Waterloo, New York.
May 16 » The United States Congress establishes the nickel.
July 3 » Austro-Prussian War is decided at the Battle of Königgrätz, resulting in Prussia taking over as the prominent German nation from Austria.
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.
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/P4402.php : accessed October 8, 2026), "Charlotte P Connell (1790-1866)".
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