The temperature on April 25, 1770 was about 7.0 °C. Wind direction mainly northeast. Weather type: omtrent helder. Special wheather fenomena: rijp. Source: KNMI
March 5 » Boston Massacre: Five Americans, including Crispus Attucks, are fatally shot by British troops in an event that would contribute to the outbreak of the American Revolutionary War (also known as the American War of Independence) five years later.
April 19 » Captain James Cook, still holding the rank of lieutenant, sights the eastern coast of what is now Australia.
June 19 » New Church Day: Emanuel Swedenborg writes: "The Lord sent forth His twelve disciples, who followed Him in the world into the whole spiritual world to preach the Gospel that the Lord God Jesus Christ reign. This took place on the 19th day of June, in the year 1770."
July 5 » The Battle of Chesma between the Russian Empire and the Ottoman Empire begins.
August 21 » James Cook formally claims eastern Australia for Great Britain, naming it New South Wales.
November 14 » James Bruce discovers what he believes to be the source of the Nile.
Day of death August 24, 1868
The temperature on August 24, 1868 was about 18.6 °C. There was 0.8 mm of rain. The air pressure was 14 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 52%. 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).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
March 5 » Mefistofele, an opera by Arrigo Boito, receives its premiere performance at La Scala.
April 7 » Thomas D'Arcy McGee, one of the Canadian Fathers of Confederation, is assassinated by a Fenian activist.
August 13 » The 8.5–9.0 Mw Arica earthquake struck southern Peru with a maximum Mercalli intensity of XI (Extreme), causing 25,000+ deaths and a destructive basin wide tsunami that affected Hawaii and New Zealand.
November 3 » John Willis Menard (R-Louisiana) was the first African American elected to the United States Congress. Because of an electoral challenge, he was never seated.
November 27 » American Indian Wars: Battle of Washita River: United States Army Lieutenant Colonel George Armstrong Custer leads an attack on Cheyenne living on reservation land.
December 9 » The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
When copying data from this family tree, please include a reference to the origin: William J Zeman, "Brown/Calvert Tree", database, Genealogy Online (https://www.genealogieonline.nl/brown-calvert-tree/P1306.php : accessed October 24, 2026), "Margaret Calvert (1770-1868)".
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