The temperature on April 9, 1863 was about 13.0 °C. There was 0.1 mm of rain. The air pressure was 0.5 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 84%. 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 4 » The New Apostolic Church, a Christian and chiliastic church, is established in Hamburg, Germany.
January 11 » American Civil War: Battle of Arkansas Post: General John McClernand and Admiral David Dixon Porter capture the Arkansas River for the Union.
February 17 » A group of citizens of Geneva founded an International Committee for Relief to the Wounded, which later became known as the International Committee of the Red Cross.
May 6 » American Civil War: The Battle of Chancellorsville ends with the defeat of the Army of the Potomac by the Army of Northern Virginia.
June 17 » American Civil War: Battle of Aldie in the Gettysburg Campaign.
July 3 » American Civil War: The final day of the Battle of Gettysburg culminates with Pickett's Charge.
Day of death July 30, 1907
The temperature on July 30, 1907 was between 11.1 °C and 18.4 °C and averaged 14.7 °C. There was 3.4 mm of rain. There was 5.7 hours of sunshine (36%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
February 9 » The Mud March is the first large procession organised by the National Union of Women's Suffrage Societies (NUWSS).
March 24 » The first issue of the Georgian Bolshevik newspaper Dro is published.
August 1 » The start of the first Scout camp on Brownsea Island, the origin of the worldwide Scouting movement.
August 9 » The first Boy Scout encampment concludes at Brownsea Island in southern England.
August 31 » Russia and the United Kingdom sign the Anglo-Russian Convention, by which the UK recognizes Russian preeminence in northern Persia, while Russia recognizes British preeminence in southeastern Persia and Afghanistan. Both powers pledge not to interfere in Tibet.
December 10 » The worst night of the Brown Dog riots in London, when 1,000 medical students clash with 400 police officers over the existence of a memorial for animals that have been vivisected.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I3529.php : accessed March 13, 2026), "Johannes Franciscus Sinjorgo (1863-1907)".
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