The temperature on May 23, 1863 was about 14.0 °C. The air pressure was 2 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 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.
January 22 » The January Uprising breaks out in Poland, Lithuania and Belarus. The aim of the national movement is to regain Polish–Lithuanian–Ruthenian Commonwealth from occupation by Russia.
May 22 » American Civil War: Union forces begin the Siege of Port Hudson which lasts 48 days, the longest siege in U.S. military history.
May 27 » American Civil War: First Assault on the Confederate works at the Siege of Port Hudson.
June 14 » American Civil War: Second Battle of Winchester: A Union garrison is defeated by the Army of Northern Virginia in the Shenandoah Valley town of Winchester, Virginia.
August 8 » American Civil War: Following his defeat in the Battle of Gettysburg, General Robert E. Lee sends a letter of resignation to Confederate President Jefferson Davis (which is refused upon receipt).
September 8 » American Civil War: In the Second Battle of Sabine Pass, a small Confederate force thwarts a Union invasion of Texas.
Day of marriage July 27, 1887
The temperature on July 27, 1887 was about 19.2 °C. There was 0.1 mm of rain. The air pressure was 10 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 83%. 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.
February 8 » The Dawes Act authorizes the President of the United States to survey Native American tribal land and divide it into individual allotments.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
November 13 » Bloody Sunday clashes in central London.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I8497.php : accessed January 24, 2026), "Johannes de Boer (1863-????)".
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