The temperature on May 2, 1864 was about 10.2 °C. There was 7 mm of rain. The air pressure was 7.5 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 97%. 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 9 » Second Schleswig War: The Danish navy defeats the Austrian and Prussian fleets in the Battle of Heligoland.
May 21 » The Ionian Islands reunite with Greece.
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 21 » American Civil War: The Battle of Jerusalem Plank Road begins.
July 28 » American Civil War: Battle of Ezra Church: Confederate troops make a third unsuccessful attempt to drive Union forces from Atlanta, Georgia.
August 22 » Twelve nations sign the First Geneva Convention, establishing the rules of protection of the victims of armed conflicts.
Day of marriage May 29, 1897
The temperature on May 29, 1897 was about 14.7 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 66%. Source: KNMI
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
Day of death March 1, 1935
The temperature on March 1, 1935 was between 2.8 °C and 9.9 °C and averaged 5.6 °C. There was 2.4 hours of sunshine (22%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
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/I49214.php : accessed October 22, 2026), "Johannes Oldenburger (1864-1935)".
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