March 29 » King Gustav III of Sweden dies after being shot in the back at a midnight masquerade ball at Stockholm's Royal Opera 13 days earlier. He is succeeded by Gustav IV Adolf.
May 11 » Robert Gray commands the first expedition to sail into the Columbia River.
June 1 » Kentucky is admitted as the 15th state of the United States.
September 21 » French Revolution: The National Convention abolishes the monarchy.
October 12 » The first celebration of Columbus Day is held in New York City.
December 11 » French Revolution: King Louis XVI of France is put on trial for treason by the National Convention.
Day of death February 20, 1878
The temperature on February 20, 1878 was about 1.4 °C. The air pressure was 3 kgf/m2 and came mainly from the south-southeast. The airpressure was 77 cm mercury. The atmospheric humidity was 96%. 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.
February 18 » John Tunstall is murdered by outlaw Jesse Evans, sparking the Lincoln County War in Lincoln County, New Mexico.
June 4 » Cyprus Convention: The Ottoman Empire cedes Cyprus to the United Kingdom but retains nominal title.
September 3 » Over 640 die when the crowded pleasure boat Princess Alice collides with the Bywell Castle in the River Thames.
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.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P20919.php : accessed January 9, 2026), "Ezra Smith Barnum (1792-1878)".
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