The temperature on April 29, 1876 was about 14.9 °C. There was 0.1 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 58%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
February 14 » Alexander Graham Bell applies for a patent for the telephone, as does Elisha Gray.
March 10 » The first successful test of a telephone is made by Alexander Graham Bell.
May 10 » The Centennial Exposition is opened in Philadelphia.
July 8 » The Hamburg massacre prior to the 1876 United States presidential election results in the deaths of six African-Americans of the Republican Party, along with one white assailant.
September 7 » In Northfield, Minnesota, Jesse James and the James–Younger Gang attempt to rob the town's bank but are driven off by armed citizens.
November 23 » Corrupt Tammany Hall leader William Magear Tweed (better known as Boss Tweed) is delivered to authorities in New York City after being captured in Spain.
Day of death March 21, 1910
The temperature on March 21, 1910 was between -2.9 °C and 10.4 °C and averaged 3.8 °C. There was 10.2 hours of sunshine (84%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 1 » Captain David Beatty is promoted to Rear admiral, and becomes the youngest admiral in the Royal Navy (except for Royal family members) since Horatio Nelson.
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
March 28 » Henri Fabre becomes the first person to fly a seaplane, the Fabre Hydravion, after taking off from a water runway near Martigues, France.
September 12 » Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter).
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
November 7 » The first air freight shipment (from Dayton, Ohio, to Columbus, Ohio) is undertaken by the Wright brothers and department store owner Max Moorehouse.
When copying data from this family tree, please include a reference to the origin: Klaas Konjer, "Family tree Konjer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-konjer/I334.php : accessed January 21, 2026), "Roelof Jans Dekker (1836-1910)".
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