The temperature on April 11, 1878 was about 11.9 °C. The air pressure was 3 kgf/m2 and came mainly from the east. The airpressure was 76 cm mercury. The atmospheric humidity was 84%. 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 4 » Russo-Turkish War (1877–78): Sofia is liberated from Ottoman rule and designated the capital of Liberated Bulgaria.
January 16 » Russo-Turkish War (1877–78): Battle of Philippopolis: Captain Aleksandr Burago with a squadron of Russian Imperial army dragoons liberates Plovdiv from Ottoman rule.
March 24 » The British frigate HMSEurydice sinks, killing more than 300.
June 10 » League of Prizren is established, to oppose the decisions of the Congress of Berlin and the Treaty of San Stefano, as a consequence of which the Albanian lands in the Balkans were being partitioned and given to the neighbor states of Serbia, Montenegro, Bulgaria, and Greece.
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.
December 18 » The Al-Thani family become the rulers of the state of Qatar.
Day of death February 21, 1966
The temperature on February 21, 1966 was between 6.0 °C and 12.7 °C and averaged 8.6 °C. There was 3.5 mm of rain during 2.7 hours. There was 0.6 hours of sunshine (6%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
February 26 » Apollo program: Launch of AS-201, the first flight of the Saturn IB rocket
March 1 » The Ba'ath Party takes power in Syria.
March 19 » 1965–66 Texas Western Miners men's basketball team wins the NCAA Division I Men's Basketball Tournament.
July 6 » Malawi becomes a republic, with Hastings Banda as its first President.
July 15 » Vietnam War: The United States and South Vietnam begin Operation Hastings to push the North Vietnamese out of the Vietnamese Demilitarized Zone.
November 4 » The Arno River floods Florence, Italy, to a maximum depth of 6.7m (22ft), leaving thousands homeless and destroying millions of masterpieces of art and rare books. Also Venice was submerged on the same day at its record all-time acqua alta of 194cm (76in).
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I184755.php : accessed January 1, 2026), "Wilhelmus Antonius Janssen (1878-1966)".
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