The temperature on July 16, 1864 was about 18.4 °C. The air pressure was 2 kgf/m2 and came mainly from the northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 59%. 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.
April 8 » American Civil War: Battle of Mansfield: Union forces are thwarted by the Confederate army at Mansfield, Louisiana.
May 7 » The world's oldest surviving clipper ship, the City of Adelaide is launched by William Pile, Hay and Co. in Sunderland, England, for transporting passengers and goods between Britain and Australia.
May 21 » American Civil War: The Battle of Spotsylvania Court House ends.
June 3 » American Civil War: Battle of Cold Harbor: Union forces attack Confederate troops in Hanover County, Virginia.
July 30 » American Civil War: Battle of the Crater: Union forces attempt to break Confederate lines at Petersburg, Virginia by exploding a large bomb under their trenches.
September 19 » American Civil War: Union troops under Philip Sheridan defeat a Confederate force commanded by Jubal Early. With over 50,000 troops engaged, it was the largest battle fought in the Shenandoah Valley.
Day of marriage January 20, 1887
The temperature on January 20, 1887 was about 1.3 °C. The air pressure was 1 kgf/m2 and came mainly from the west-northwest. The airpressure was 78 cm mercury. The atmospheric humidity was 92%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
April 28 » A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé is released on order of William I, German Emperor, defusing a possible war.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
October 1 » Balochistan is conquered by the British Empire.
November 9 » The United States receives rights to Pearl Harbor, Hawaii.
November 13 » Bloody Sunday clashes in central London.
Day of death October 19, 1945
The temperature on October 19, 1945 was between 2.2 °C and 13.2 °C and averaged 8.0 °C. There was 4.4 hours of sunshine (42%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
February 3 » World War II: The United States and the Philippine Commonwealth begin a month-long battle to retake Manila from Japan.
March 29 » World War II: Last day of V-1 flying bomb attacks on England.
April 13 » World War II: German troops kill more than 1,000 political and military prisoners in Gardelegen, Germany.
August 15 » Jewel Voice Broadcast by the Emperor Showa following effective surrender of Japan in the World War II, Korea gains Independence from the Empire of Japan.
September 8 » The division of Korea begins when United States troops arrive to partition the southern part of Korea in response to Soviet troops occupying the northern part of the peninsula a month earlier.
September 9 » Second Sino-Japanese War: The Empire of Japan formally surrenders to China.
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/I3524.php : accessed March 13, 2026), "Wilhelmina Hendrica Siepker (1864-1945)".
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