The temperature on March 29, 1863 was about 10.0 °C. The air pressure was 18 kgf/m2 and came mainly from the west-northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 74%. 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.
June 7 » During the French intervention in Mexico, Mexico City is captured by French troops.
June 20 » American Civil War: West Virginia is admitted as the 35th U.S. state.
July 1 » American Civil War: The Battle of Gettysburg begins.
November 17 » American Civil War: Siege of Knoxville begins: Confederate forces led by General James Longstreet place Knoxville, Tennessee, under siege.
November 19 » American Civil War: U.S. President Abraham Lincoln delivers the Gettysburg Address at the dedication ceremony for the military cemetery at Gettysburg, Pennsylvania.
Day of death March 12, 1910
The temperature on March 12, 1910 was between 4.6 °C and 10.3 °C and averaged 7.0 °C. There was 0.2 mm of rain. There was 0.7 hours of sunshine (6%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
September 22 » The Duke of York's Picture House opens in Brighton, now the oldest continually operating cinema in Britain.
September 26 » Indian journalist Swadeshabhimani Ramakrishna Pillai is arrested after publishing criticism of the government of Travancore and is exiled.
October 11 » Piloted by Arch Hoxsey, Theodore Roosevelt becomes the first U.S. president to fly in an airplane.
November 14 » Aviator Eugene Burton Ely performs the first takeoff from a ship in Hampton Roads, Virginia, taking off from a makeshift deck on the USS Birmingham in a Curtiss pusher.
When copying data from this family tree, please include a reference to the origin: Dirk Ham, "Family tree Ham en Dallinga", database, Genealogy Online (https://www.genealogieonline.nl/ham-stamboom/I462.php : accessed January 16, 2026), "Roelof Heynis (1835-1910)".
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