The temperature on February 25, 1867 was about 5.9 °C. The air pressure was 6 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 92%. 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).
February 13 » Work begins on the covering of the Senne, burying Brussels's primary river and creating the modern central boulevards.
February 17 » The first ship passes through the Suez Canal.
July 17 » Harvard School of Dental Medicine is established in Boston, Massachusetts. It is the first dental school in the U.S. that is affiliated with a university.
November 3 » Giuseppe Garibaldi and his followers are defeated in the Battle of Mentana and fail to end the Pope's Temporal power in Rome (it would be achieved three years later).
November 23 » The Manchester Martyrs are hanged in Manchester, England, for killing a police officer while freeing two Irish Republican Brotherhood members from custody.
December 13 » A Fenian bomb explodes in Clerkenwell, London, killing six.
Day of death April 25, 1876
The temperature on April 25, 1876 was about 15.9 °C. There was 0.3 mm of rain. The air pressure was 10 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 54%. 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 2 » The National League of Professional Baseball Clubs of Major League Baseball is formed.
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.
April 22 » The first game in the history of the National League was played at the Jefferson Street Grounds in Philadelphia. This game is often pointed to as the beginning of Major League Baseball.
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.
October 4 » The Agricultural and Mechanical College of Texas opens as the first public college in Texas.
When copying data from this family tree, please include a reference to the origin: P. Heres, "Family tree Apool", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-apool/I1099499074.php : accessed February 9, 2026), "Gehardus van Leeuwen (1867-1876)".
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