The temperature on September 29, 1786 was about 8.0 °C. There was 66 mm of rainWind direction mainly south-southeast. Weather type: betrokken regen. Source: KNMI
May 1 » In Vienna, Austria, Mozart's opera The Marriage of Figaro is performed for the first time.
June 10 » A landslide dam on the Dadu River created by an earthquake ten days earlier collapses, killing 100,000 in the Sichuan province of China.
September 11 » The beginning of the Annapolis Convention.
November 7 » The oldest musical organization in the United States is founded as the Stoughton Musical Society.
November 30 » The Grand Duchy of Tuscany, under Pietro Leopoldo I, becomes the first modern state to abolish the death penalty (later commemorated as Cities for Life Day).
December 4 » Mission Santa Barbara is dedicated (on the feast day of Saint Barbara).
Day of death April 4, 1866
The temperature on April 4, 1866 was about 10.0 °C. The air pressure was 0.5 kgf/m2 and came mainly from the west-northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 62%. 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 10 » The American Society for the Prevention of Cruelty to Animals (ASPCA) is founded in New York City by Henry Bergh.
May 5 » Memorial Day first celebrated in United States at Waterloo, New York.
June 3 » The Fenians are driven out of Fort Erie, Ontario back into the United States.
June 7 » One thousand eight hundred Fenian raiders are repelled back to the United States after looting and plundering the Saint-Armand and Frelighsburg areas of Canada East.
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 17 » The Grand Duchy of Baden announces her withdrawal from the German Confederation and signs a treaty of peace and alliance with Prussia.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I2278.php : accessed January 22, 2026), "Johanna Magdalena Swanepoel b6c6d2 (1786-1866)".
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