The temperature on August 23, 1885 was about 17.8 °C. There was 4 mm of rain. The air pressure was 3 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 80%. 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 21 » The newly completed Washington Monument is dedicated.
February 23 » Sino-French War: French Army gains an important victory in the Battle of Đồng Đăng in the Tonkin region of Vietnam.
March 14 » The Mikado, a light opera by W. S. Gilbert and Arthur Sullivan, receives its first public performance at the Savoy Theatre in London.
March 24 » Sino-French War: Chinese victory in the Battle of Bang Bo on the Tonkin-Guangxi border.
July 23 » President Ulysses S. Grant dies of throat cancer.
November 16 » Canadian rebel leader of the Métis and "Father of Manitoba" Louis Riel is executed for treason.
Day of marriage August 6, 1910
The temperature on August 6, 1910 was between 10.3 °C and 20.3 °C and averaged 15.3 °C. There was 11.7 hours of sunshine (77%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
May 11 » An act of the U.S. Congress establishes Glacier National Park in Montana.
August 22 » Korea is annexed by Japan with the signing of the Japan–Korea Treaty of 1910, beginning a period of Japanese rule of Korea that lasted until the end of World War II.
September 22 » The Duke of York's Picture House opens in Brighton, now the oldest continually operating cinema in Britain.
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
December 21 » An underground explosion at the Hulton Bank Colliery No. 3 Pit in Over Hulton, Westhoughton, England, kills 344 miners.
Day of death April 15, 1954
The temperature on April 15, 1954 was between 5.9 °C and 9.9 °C and averaged 7.7 °C. There was 1.1 mm of rain during 2.4 hours. There was 3.1 hours of sunshine (22%). The heavily clouded was. The average windspeed was 6 Bft (strong wind) and was prevailing from the north-northwest. Source: KNMI
January 2 » India establishes its highest civilian awards, the Bharat Ratna and the Padma Vibhushan.
March 1 » Nuclear weapons testing: The Castle Bravo, a 15-megaton hydrogen bomb, is detonated on Bikini Atoll in the Pacific Ocean, resulting in the worst radioactive contamination ever caused by the United States.
April 25 » The first practical solar cell is publicly demonstrated by Bell Telephone Laboratories.
June 14 » U.S. President Dwight D. Eisenhower signs a bill into law that places the words "under God" into the United States Pledge of Allegiance.
September 8 » The Southeast Asia Treaty Organization (SEATO) is established.
November 10 » U.S. President Dwight D. Eisenhower dedicates the USMC War Memorial (Iwo Jima memorial) in Arlington Ridge Park in Arlington County, Virginia.
When copying data from this family tree, please include a reference to the origin: P. Heres, "Family tree Eilander", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eilander/I1099510544.php : accessed January 9, 2026), "Herman Pieter Pannekoek (1885-1954)".
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