The temperature on September 5, 1863 was about 18.6 °C. There was 1 mm of rain. The air pressure was 10 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 61%. 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.
April 30 » A 65-man French Foreign Legion infantry patrol fights a force of nearly 2,000 Mexican soldiers to nearly the last man in Hacienda Camarón, Mexico.
May 6 » American Civil War: The Battle of Chancellorsville ends with the defeat of the Army of the Potomac by the Army of Northern Virginia.
September 9 » American Civil War: The Union Army enters Chattanooga, Tennessee.
September 16 » Robert College, in Istanbul, the first American educational institution outside the United States, is founded by Christopher Robert, an American philanthropist.
October 15 » American Civil War: The H. L. Hunley, the first submarine to sink a ship, sinks, killing its inventor.
November 18 » King Christian IX of Denmark signs the November constitution that declares Schleswig to be part of Denmark. This is seen by the German Confederation as a violation of the London Protocol and leads to the German–Danish war of 1864.
Day of marriage May 15, 1886
The temperature on May 15, 1886 was about 11.8 °C. The air pressure was 14 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 56%. 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.
January 18 » Modern field hockey is born with the formation of The Hockey Association in England.
February 23 » Charles Martin Hall produced the first samples of aluminium from the electrolysis of aluminium oxide, after several years of intensive work. He was assisted in this project by his older sister, Julia Brainerd Hall.
May 4 » Haymarket affair: A bomb is thrown at policemen trying to break up a labor rally in Chicago, United States, killing eight and wounding 60. The police fire into the crowd.
June 26 » Henri Moissan isolated elemental Fluorine for the first time.
June 30 » The first transcontinental train trip across Canada departs from Montreal, Quebec. It arrives in Port Moody, British Columbia on July 4.
August 31 » The 7.0 Mw Charleston earthquake affects southeastern South Carolina with a maximum Mercalli intensity of X (Extreme). Sixty people killed with damage estimated at $5–6 million.
Day of death April 1, 1942
The temperature on April 1, 1942 was between 6.3 °C and 12.5 °C and averaged 8.7 °C. There was 0.6 mm of rain during 0.3 hours. There was 4.7 hours of sunshine (36%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 11 » World War II: Japanese forces attack Tarakan in Borneo, Netherlands Indies (Battle of Tarakan)
January 23 » World War II: The Battle of Rabaul commences Japan's invasion of Australia's Territory of New Guinea.
February 18 » World War II: The Imperial Japanese Army begins the systematic extermination of perceived hostile elements among the Chinese in Singapore.
April 9 » World War II: The Battle of Bataan ends. An Indian Ocean raid by Japan's 1st Air Fleet sinks the British aircraft carrier HMSHermes and the Australian destroyer HMASVampire.
April 18 » World War II: The Doolittle Raid on Japan: Tokyo, Yokohama, Kobe and Nagoya are bombed.
September 7 » World War II: Japanese marines are forced to withdraw during the Battle of Milne Bay.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I24074.php : accessed February 15, 2026), "Trijntje Tonkens (1863-1942)".
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