April 6 » During the French Revolution, the Committee of Public Safety becomes the executive organ of the republic.
July 23 » Kingdom of Prussia re-conquers Mainz from France.
August 8 » The insurrection of Lyon occurs during the French Revolution.
August 12 » The Rhône and Loire départments are created when the former département of Rhône-et-Loire is split into two.
October 13 » French Revolutionary Wars: Austro-Prussian victory over Republican France at the First Battle of Wissembourg.
December 26 » Second Battle of Wissembourg: France defeats Austria.
Day of death May 12, 1867
The temperature on May 12, 1867 was about 12.0 °C. There was 8 mm of rain. The air pressure was 14 kgf/m2 and came mainly from the northeast. The airpressure was 74 cm mercury. The atmospheric humidity was 94%. Source: KNMI
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 1 » Nebraska becomes the 37th U.S. state; Lancaster, Nebraska is renamed Lincoln and becomes the state capital.
March 2 » The U.S. Congress passes the first Reconstruction Act.
March 29 » Queen Victoria gives Royal Assent to the British North America Act which establishes Canada on July 1.
July 17 » Harvard School of Dental Medicine is established in Boston, Massachusetts. It is the first dental school in the U.S. that is affiliated with a university.
September 28 » Toronto becomes the capital of Ontario, having also been the capital of Ontario's predecessors since 1796.
October 21 » The Medicine Lodge Treaty is signed by southern Great Plains Indian leaders. The treaty requires Native American Plains tribes to relocate to a reservation in western Oklahoma.
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I3552.php : accessed February 13, 2026), "Pieternella de Corne (1793-1867)".
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