The temperature on July 20, 1864 was about 23.1 °C. The air pressure was 3 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 53%. 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 7 » American Civil War: The Army of the Potomac, under General Ulysses S. Grant, breaks off from the Battle of the Wilderness and moves southwards.
May 21 » Russia declares an end to the Russo-Circassian War and many Circassians are forced into exile. The day is designated the Circassian Day of Mourning.
May 29 » Emperor Maximilian I of Mexico arrives in Mexico for the first time.
July 22 » American Civil War: Battle of Atlanta: Outside Atlanta, Confederate General John Bell Hood leads an unsuccessful attack on Union troops under General William T. Sherman on Bald Hill.
August 22 » Twelve nations sign the First Geneva Convention, establishing the rules of protection of the victims of armed conflicts.
October 28 » American Civil War: A Union attack on the Confederate capital is repulsed.
Day of marriage May 18, 1889
The temperature on May 18, 1889 was about 14.8 °C. There was 20 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 94%. Source: KNMI
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
March 31 » The Eiffel Tower is officially opened.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 8 » Montana is admitted as the 41st U.S. state.
November 23 » The first jukebox goes into operation at the Palais Royale Saloon in San Francisco.
Day of death May 22, 1911
The temperature on May 22, 1911 was between 4.7 °C and 14.0 °C and averaged 9.2 °C. There was 3.1 hours of sunshine (19%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 21 » The first Monte Carlo Rally takes place.
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
May 23 » The New York Public Library is dedicated.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
November 5 » After declaring war on the Ottoman Empire on September 29, 1911, Italy annexes Tripoli and Cyrenaica.
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/I46727.php : accessed October 8, 2026), "Maaike Poelstra (1864-1911)".
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