The temperature on August 22, 1866 was about 19.5 °C. The air pressure was 2.5 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 79%. 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.
In The Netherlands , there was from February 10, 1866 to June 1, 1866 the cabinet Fransen van de Putte, with I.D. Fransen van de Putte (liberaal) as prime minister.
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
May 2 » Peruvian defenders fight off the Spanish fleet at the Battle of Callao.
June 2 » The Fenians defeat Canadian forces at Ridgeway and Fort Erie, but the raids end soon after.
July 25 » The United States Congress passes legislation authorizing the rank of General of the Army. Lieutenant General Ulysses S. Grant becomes the first to be promoted to this rank.
July 28 » At the age of 18, Vinnie Ream becomes the first and youngest female artist to receive a commission from the United States government for a statue (of Abraham Lincoln).
July 30 » Armed Confederate veterans in New Orleans riot against a meeting of Radical Republicans, killing 48 people and injuring another 100.
December 12 » Oaks explosion: The worst mining disaster in England kills 361 miners and rescuers.
Day of marriage May 18, 1887
The temperature on May 18, 1887 was about 12.3 °C. The air pressure was 12 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 90%. 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 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
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.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
Day of death June 15, 1935
The temperature on June 15, 1935 was between 10.3 °C and 16.4 °C and averaged 13.8 °C. There was 0.4 mm of rain during 0.3 hours. There was 0.9 hours of sunshine (5%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 11 » Amelia Earhart becomes the first person to fly solo from Hawaii to California.
March 21 » Shah of Iran Reza Shah Pahlavi formally asks the international community to call Persia by its native name, Iran.
September 3 » Sir Malcolm Campbell reaches a speed of 304.331 miles per hour on the Bonneville Salt Flats in Utah, becoming the first person to drive an automobile over 300mph.
October 20 » The Long March, a mammoth retreat undertaken by the armed forces of the Chinese Communist Party a year prior, ends.
November 22 » The China Clipper inaugurates the first commercial transpacific air service, connecting Alameda, California with Manila.
December 9 » The Downtown Athletic Club Trophy, later renamed the Heisman Trophy, is awarded for the first time. The winner is halfback Jay Berwanger of the University of Chicago.
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/I34717.php : accessed October 8, 2026), "Pieterke Holtrop (1866-1935)".
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