The temperature on September 17, 1864 was about 14.7 °C. There was 4 mm of rain. The air pressure was 9 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 94%. 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.
June 5 » American Civil War: Battle of Piedmont: Union forces under General David Hunter defeat a Confederate army at Piedmont, Virginia, taking nearly 1,000 prisoners.
June 12 » American Civil War, Overland Campaign: Battle of Cold Harbor: Ulysses S. Grant gives the Confederate forces under Robert E. Lee a victory when he pulls his Union troops from their position at Cold Harbor, Virginia and moves south.
June 29 » At least 99 people, mostly German and Polish immigrants, are killed in Canada's worst railway disaster after a train fails to stop for an open drawbridge and plunges into the Rivière Richelieu near St-Hilaire, Quebec.
September 7 » American Civil War: Atlanta is evacuated on orders of Union General William Tecumseh Sherman.
September 29 » The Treaty of Lisbon defines the boundaries between Spain and Portugal and abolishes the Couto Misto microstate.
October 2 » American Civil War: Confederates defeat a Union attack on Saltville, Virginia. A massacre of wounded Union prisoners (most of them are from a Black cavalry unit) ensues.
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/I50046.php : accessed October 10, 2026), "Jan Jacob Knap (1864-????)".
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