The temperature on June 11, 1865 was about 15.7 °C. The air pressure was 11 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 52%. 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 31 » American Civil War: Confederate General Robert E. Lee becomes general-in-chief.
April 12 » American Civil War: Mobile, Alabama, falls to the Union Army.
April 14 » U.S. Secretary of State William H. Seward and his family are attacked at home by Lewis Powell.
April 20 » Astronomer Angelo Secchi demonstrates the Secchi disk, which measures water clarity, aboard Pope Pius IX's yacht, the L'Immaculata Concezion.
May 9 » American Civil War: President Andrew Johnson issues a proclamation ending belligerent rights of the rebels and enjoining foreign nations to intern or expel Confederate ships.
December 2 » Alabama ratifies 13th Amendment to the U.S. Constitution, followed by North Carolina then Georgia, and U.S. slaves were legally free within two weeks
Day of death February 11, 1894
The temperature on February 11, 1894 was about 8.2 °C. There was 12 mm of rain. The airpressure was 75 cm mercury. The atmospheric humidity was 95%. Source: KNMI
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
When copying data from this family tree, please include a reference to the origin: Ferry Posthuma Scholtes, "Family tree Posthuma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-posthuma/R782.php : accessed October 11, 2026), "Pieter Posthuma (1865-1894)".
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