The temperature on September 7, 1863 was about 16.0 °C. There was 5 mm of rain. The air pressure was 13 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 91%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
January 11 » American Civil War: Battle of Arkansas Post: General John McClernand and Admiral David Dixon Porter capture the Arkansas River for the Union.
January 29 » The Bear River Massacre: A detachment of California Volunteers led by Colonel Patrick Edward Connor engage the Shoshone at Bear River, Washington Territory, killing hundreds of men, women and children.
July 4 » American Civil War: Siege of Vicksburg: Vicksburg, Mississippi surrenders to U.S. forces under Ulysses S. Grant after 47 days of siege. One hundred fifty miles up the Mississippi River, a Confederate army is repulsed at the Battle of Helena, Arkansas.
July 4 » American Civil War: The Army of Northern Virginia withdraws from the battlefield after losing the Battle of Gettysburg, signalling an end to the Confederate invasion of U.S. territory.
September 20 » American Civil War: The Battle of Chickamauga, in northwestern Georgia, ends in a Confederate victory.
November 27 » American Civil War: Battle of Mine Run: Union forces under General George Meade take up positions against troops led by Confederate General Robert E. Lee.
Day of death April 10, 1881
The temperature on April 10, 1881 was about 14.9 °C. The air pressure was 1 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 54%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
When copying data from this family tree, please include a reference to the origin: Harry Westerman, "Family tree Westerman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-westerman/X4175.php : accessed January 30, 2026), "Johannes Helder (± 1839-1881)".
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