March 2 » Long-distance communication speeds up with the unveiling of a semaphore machine in Paris.
June 21 » King Louis XVI of France and his immediate family begin the Flight to Varennes during the French Revolution.
September 9 » Washington, D.C., the capital of the United States, is named after President George Washington.
September 14 » The Papal States lose Avignon to Revolutionary France.
September 30 » The first performance of Mozart's opera The Magic Flute takes place two months before his death.
December 4 » The first edition of The Observer, the world's first Sunday newspaper, is published.
Day of death April 20, 1867
The temperature on April 20, 1867 was about 10.8 °C. There was 2 mm of rain. The air pressure was 8 kgf/m2 and came mainly from the southwest. The airpressure was 74 cm mercury. The atmospheric humidity was 86%. 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).
February 13 » Work begins on the covering of the Senne, burying Brussels's primary river and creating the modern central boulevards.
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.
November 3 » Giuseppe Garibaldi and his followers are defeated in the Battle of Mentana and fail to end the Pope's Temporal power in Rome (it would be achieved three years later).
November 9 » Tokugawa shogunate hands power back to the Emperor of Japan, starting the Meiji Restoration.
December 4 » Former Minnesota farmer Oliver Hudson Kelley founds the Order of the Patrons of Husbandry (better known today as the Grange).
When copying data from this family tree, please include a reference to the origin: Martin Ilbrink, "Family tree Ilbrink - Oosterwijk", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ilbrink-oosterwijk/I2109.php : accessed June 20, 2024), "Aaltjen Holtman (1791-1867)".
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