The temperature on April 27, 1862 was about 10.8 °C. The air pressure was 0.5 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 83%. Source: KNMI
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 30 » The first American ironclad warship, the USSMonitor is launched.
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.
April 16 » American Civil War: The District of Columbia Compensated Emancipation Act, a bill ending slavery in the District of Columbia, becomes law.
June 4 » American Civil War: Confederate troops evacuate Fort Pillow on the Mississippi River, leaving the way clear for Union troops to take Memphis, Tennessee.
November 5 » American Indian Wars: In Minnesota, 303 Dakota warriors are found guilty of rape and murder of whites and are sentenced to hang. 38 are ultimately executed and the others reprieved.
November 7 » American Civil War: Union General Ambrose Burnside was assigned to command the Army of the Potomac in Antietam, Maryland. After Union General George B. McClellan refused to pursue Confederate General Robert E. Lee’s Army of Northern Virginia after their retreat from the Battle of Antietam.
Day of death March 30, 1953
The temperature on March 30, 1953 was between 6.1 °C and 16.8 °C and averaged 10.1 °C. There was 4.9 mm of rain during 3.3 hours. There was 0.1 hours of sunshine (1%). The heavily clouded was. The average windspeed was 6 Bft (strong wind) and was prevailing from the west-southwest. Source: KNMI
February 19 » Book censorship in the United States: The Georgia Literature Commission is established.
April 27 » Operation Moolah offers $50,000 to any pilot who defected with a fully mission-capable Mikoyan-Gurevich MiG-15 to South Korea. The first pilot was to receive $100,000.
June 26 » Lavrentiy Beria, head of MVD, is arrested by Nikita Khrushchev and other members of the Politburo.
July 7 » Ernesto "Che" Guevara sets out on a trip through Bolivia, Peru, Ecuador, Panama, Costa Rica, Nicaragua, Honduras, and El Salvador.
August 10 » First Indochina War: The French Union withdraws its forces from Operation Camargue against the Viet Minh in central Vietnam.
August 12 » The 7.2 Ms Ionian earthquake shakes the southern Ionian Islands with a maximum Mercalli intensity of X (Extreme). Between 445 and 800 people are killed.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I16008.php : accessed March 1, 2026), "Klaas Boon (1862-1953)".
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