April 30 » On the balcony of Federal Hall on Wall Street in New York City, George Washington takes the oath of office to become the first elected President of the United States.
July 14 » French Revolution: Citizens of Paris storm the Bastille.
July 15 » Gilbert du Motier, Marquis de Lafayette, is named by acclamation Colonel General of the new National Guard of Paris.
August 28 » William Herschel discovers a new moon of Saturn: Enceladus.
September 22 » The office of United States Postmaster General is established.
November 20 » New Jersey becomes the first U.S. state to ratify the Bill of Rights.
Day of death April 23, 1866
The temperature on April 23, 1866 was about 13.3 °C. The air pressure was 15 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 25%. 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).
January 12 » The Royal Aeronautical Society is formed in London.
May 16 » The United States Congress establishes the nickel.
May 22 » Oliver Winchester founded the Winchester Repeating Arms
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.
August 17 » The Grand Duchy of Baden announces her withdrawal from the German Confederation and signs a treaty of peace and alliance with Prussia.
December 12 » Oaks explosion: The worst mining disaster in England kills 361 miners and rescuers.
When copying data from this family tree, please include a reference to the origin: G. de Roller, "De Roller Stamboom", database, Genealogy Online (https://www.genealogieonline.nl/de-roller-stamboom/I5045.php : accessed January 23, 2026), "Heilwich Johanna Henriette van Heeckeren van Waliën (1789-1866)".
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