The temperature on February 25, 1878 was about 7.3 °C. There was 2 mm of rain. The air pressure was 5 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 92%. 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 9 » Umberto I becomes King of Italy.
July 13 » Treaty of Berlin: The European powers redraw the map of the Balkans. Serbia, Montenegro and Romania become completely independent of the Ottoman Empire.
October 15 » The Edison Electric Light Company begins operation.
October 22 » The Bramall Lane stadium sees the first rugby match played under floodlights.
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.
Day of death April 4, 1947
The temperature on April 4, 1947 was between 2.0 °C and 11.0 °C and averaged 6.8 °C. There was 6.2 mm of rain during 3.7 hours. There was 0.2 hours of sunshine (2%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 1 » Cold War: The American and British occupation zones in Allied-occupied Germany, after World War II, merge to form the Bizone, which later (with the French zone) became part of West Germany.
February 23 » International Organization for Standardization is founded.
March 1 » The International Monetary Fund begins financial operations.
April 15 » Jackie Robinson debuts for the Brooklyn Dodgers, breaking baseball's color line.
October 22 » The Kashmir conflict between India and Pakistan begins, having started just after the partition of India.
December 23 » The transistor is first demonstrated at Bell Laboratories.
When copying data from this family tree, please include a reference to the origin: Jaap Voets, "Family tree Voets", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-voets/I412.php : accessed January 26, 2026), "Johannes Bernardus Gerdes (1878-1947)".
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