The temperature on April 12, 1878 was about 11.8 °C. The air pressure was 2 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 69%. 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 6 » Second Boer War: Having already besieged the fortress at Ladysmith, Boer forces attack it, but are driven back by British defenders.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
April 2 » The United States Congress passes the Foraker Act, giving Puerto Rico limited self-rule.
June 21 » Boxer Rebellion. China formally declares war on the United States, Britain, Germany, France and Japan, as an edict issued from the Empress Dowager Cixi.
October 9 » The Cook Islands become a territory of the United Kingdom.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
When copying data from this family tree, please include a reference to the origin: Helma Bovenschen-van Gelderen, "Genealogy Bovenschen, Looijenga, Van Gelderen en Van Donk", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-bovenschen/I58029.php : accessed May 29, 2024), "Pietertje van der Sluis (1878-????)".
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