The temperature on April 1, 1866 was about 9.9 °C. The air pressure was 7 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 63%. 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).
January 18 » Wesley College is established in Melbourne, Australia.
February 21 » Lucy Hobbs Taylor becomes the first American woman to graduate from dental school.
April 10 » The American Society for the Prevention of Cruelty to Animals (ASPCA) is founded in New York City by Henry Bergh.
May 22 » Oliver Winchester founded the Winchester Repeating Arms
June 7 » One thousand eight hundred Fenian raiders are repelled back to the United States after looting and plundering the Saint-Armand and Frelighsburg areas of Canada East.
July 27 » The first permanent transatlantic telegraph cable is successfully completed, stretching from Valentia Island, Ireland, to Heart's Content, Newfoundland.
Day of marriage May 22, 1897
The temperature on May 22, 1897 was about 14.9 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 71%. Source: KNMI
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
December 30 » The British Colony of Natal annexes Zululand.
Day of death April 22, 1898
The temperature on April 22, 1898 was about 7.8 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 59%. Source: KNMI
April 21 » Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
June 10 » Spanish–American War: In the Battle of Guantánamo Bay, U.S. Marines begin the American invasion of Spanish-held Cuba.
July 25 » Spanish-American War: The American invasion of Spanish-held Puerto Rico begins, as United States Army troops under General Nelson A. Miles land and secure the port at Guánica.
August 29 » The Goodyear tire company is founded.
September 13 » Hannibal Goodwin patents celluloid photographic film.
October 18 » The United States takes possession of Puerto Rico from Spain.
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/I103409.php : accessed September 29, 2026), "Folkert de Graaf (1866-1898)".
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