The temperature on May 17, 1887 was about 10.0 °C. There was 0.2 mm of rain. The airpressure was 76 cm mercury. The atmospheric humidity was 95%. 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.
April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
June 23 » The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
September 5 » A fire at the Theatre Royal, Exeter, kills 186.
November 11 » August Spies, Albert Parsons, Adolph Fischer and George Engel are executed as a result of the Haymarket affair.
November 13 » Bloody Sunday clashes in central London.
Day of marriage June 10, 1915
The temperature on June 10, 1915 was between 15.4 °C and 25.6 °C and averaged 18.8 °C. There was 5.0 mm of rain. There was 4.4 hours of sunshine (26%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 24 » World War I: British Grand Fleet battle cruisers under Vice-Admiral Sir David Beatty engage Rear-Admiral Franz von Hipper's battle cruisers in the Battle of Dogger Bank.
March 27 » Typhoid Mary, the first healthy carrier of disease ever identified in the United States is put in quarantine for the second time, where she would remain for the rest of her life.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
April 25 » World War I: The Battle of Gallipoli begins: The invasion of the Turkish Gallipoli Peninsula by British, French, Indian, Newfoundland, Australian and New Zealand troops, begins with landings at Anzac Cove and Cape Helles.
August 17 » Jewish American Leo Frank is lynched in Marietta, Georgia after a 13-year-old girl is murdered.
September 5 » The pacifist Zimmerwald Conference begins.
Day of death February 11, 1965
The temperature on February 11, 1965 was between 3.9 °C and 6.5 °C and averaged 5.0 °C. There was 0.5 mm of rain during 0.5 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
February 9 » The United States Marine Corps sends a MIM-23 Hawk missile battalion to South Vietnam, the first American troops in-country without an official advisory or training mission.
February 17 » Project Ranger: The Ranger 8 probe launches on its mission to photograph the Mare Tranquillitatis region of the Moon in preparation for the manned Apollo missions. Mare Tranquillitatis or the "Sea of Tranquility" would become the site chosen for the Apollo 11 lunar landing.
June 22 » The Treaty on Basic Relations between Japan and the Republic of Korea is signed.
November 8 » The 173rd Airborne is ambushed by over 1,200 Viet Cong in Operation Hump during the Vietnam War, while the 1st Battalion, Royal Australian Regiment fight one of the first set-piece engagements of the war between Australian forces and the Viet Cong at the Battle of Gang Toi.
November 28 » Vietnam War: In response to U.S. President Lyndon B. Johnson's call for "more flags" in Vietnam, Philippine President-elect Ferdinand Marcos announces he will send troops to help fight in South Vietnam.
December 21 » International Convention on the Elimination of All Forms of Racial Discrimination is adopted.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I18202.php : accessed February 19, 2026), "Cornelis Jacobus Laurens van Roon (1887-1965)".
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