February 20 » The Postal Service Act, establishing the United States Post Office Department, is signed by United States President George Washington.
April 25 » Highwayman Nicolas J. Pelletier becomes the first person executed by guillotine.
May 17 » The New York Stock Exchange is formed under the Buttonwood Agreement.
August 13 » King Louis XVI of France is formally arrested by the National Tribunal, and declared an enemy of the people.
September 22 » Primidi Vendémiaire of year one of the French Republican Calendar as the French First Republic comes into being.
October 12 » The first celebration of Columbus Day is held in New York City.
Day of death August 12, 1878
The temperature on August 12, 1878 was about 21.1 °C. There was 0.1 mm of rain. The air pressure was 13 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 57%. Source: KNMI
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
January 28 » Yale Daily News becomes the first independent daily college newspaper in the United States.
June 15 » Eadweard Muybridge takes a series of photographs to prove that all four feet of a horse leave the ground when it runs; the study becomes the basis of motion pictures.
October 15 » The Edison Electric Light Company begins operation.
November 17 » First assassination attempt against Umberto I of Italy by anarchist Giovanni Passannante, who was armed with a dagger. The King survived with a slight wound in an arm. Prime Minister Benedetto Cairoli blocked the aggressor, receiving an injury in a leg.
December 18 » The Al-Thani family become the rulers of the state of Qatar.
December 31 » Karl Benz, working in Mannheim, Germany, filed for a patent on his first reliable two-stroke gas engine, and he was granted the patent in 1879.
When copying data from this family tree, please include a reference to the origin: Gilbert Pene, "Arbre Pene", database, Genealogy Online (https://www.genealogieonline.nl/arbre-pene/I2872.php : accessed January 30, 2026), "Jean LACROIX (LACROUTS) (1792-1878)".
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