From March 14, 1861 till January 31, 1862 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Loudon with the prime ministers Mr. J.P.P. baron Van Zuijlen van Nijevelt (conservatief-liberaal) and Mr. J. Loudon (liberaal).
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 31 » Alvan Graham Clark discovers the white dwarf star Sirius B, a companion of Sirius, through an 18.5-inch (47cm) telescope now located at Northwestern University.
March 7 » American Civil War: Union forces engage Confederate troops at the Pea Ridge in northwestern Arkansas.
March 9 » American Civil War: USSMonitor and CSSVirginia fight to a draw in the Battle of Hampton Roads, the first battle between two ironclad warships.
April 5 » American Civil War: The Battle of Yorktown begins.
July 18 » First ascent of Dent Blanche, one of the highest summits in the Alps.
September 14 » American Civil War: The Battle of South Mountain, part of the Maryland Campaign, is fought.
Day of marriage July 18, 1889
The temperature on July 18, 1889 was about 17.0 °C. There was 0.4 mm of rain. The air pressure was 20 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 78%. Source: KNMI
February 9 » US president Grover Cleveland signs a bill elevating the United States Department of Agriculture to a Cabinet-level agency.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
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.
Day of death February 23, 1949
The temperature on February 23, 1949 was between 8.2 °C and 11.0 °C and averaged 9.4 °C. There was 0.5 mm of rain during 0.8 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 1 » United Nations cease-fire takes effect in Kashmir from one minute before midnight. War between India and Pakistan stops accordingly.
January 11 » The first "networked" television broadcasts took place as KDKA-TV in Pittsburgh, Pennsylvania goes on the air connecting the east coast and mid-west programming.
July 21 » The United States Senate ratifies the North Atlantic Treaty.
August 5 » In Ecuador, an earthquake destroys 50 towns and kills more than 6,000.
October 1 » The People's Republic of China is established.
December 4 » Sir Duncan George Stewart was fatally stabbed by Rosli Dhobi, a member leader of the Rukun 13, in Sibu, Sarawak, Malaysia during the British crown colony era in that state.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I11583.php : accessed March 10, 2026), "Pieter Boon (1862-1949)".
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