The temperature on August 21, 1863 was about 16.5 °C. There was 2 mm of rain. The air pressure was 6.5 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 56%. 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.
May 18 » American Civil War: The Siege of Vicksburg begins.
May 22 » American Civil War: Union forces begin the Siege of Port Hudson which lasts 48 days, the longest siege in U.S. military history.
July 3 » American Civil War: The final day of the Battle of Gettysburg culminates with Pickett's Charge.
September 20 » American Civil War: The Battle of Chickamauga, in northwestern Georgia, ends in a Confederate victory.
October 29 » Eighteen countries meet in Geneva and agree to form the International Red Cross.
November 27 » American Civil War: Confederate cavalry leader John Hunt Morgan and several of his men escape the Ohio Penitentiary and return safely to the South.
Day of marriage May 16, 1891
The temperature on May 16, 1891 was about 11.3 °C. There was 0.7 mm of rain. The air pressure was 10 kgf/m2 and came mainly from the west-northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 58%. Source: KNMI
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
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.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I56227.php : accessed October 21, 2026), "Johannes Wytzes Jansma (1863-????)".
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