Family tree Sloot » Leonardus Gerardus (Rad) Kortenhorst (1886-1963)

Personal data Leonardus Gerardus (Rad) Kortenhorst 


Household of Leonardus Gerardus (Rad) Kortenhorst

He is married to Dorothea Magdalena Woltersom.

They got married on October 28, 1915 at Arnhem, The Netherlands, he was 28 years old.

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Child(ren):

  1. Jan Kortenhorst  1916-1990


Notes about Leonardus Gerardus (Rad) Kortenhorst

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Timeline Leonardus Gerardus (Rad) Kortenhorst

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Historical events

  • The temperature on November 12, 1886 was about 9.5 °C. The air pressure was 30 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 73%. Source: KNMI
  • Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • 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.
  • In the year 1886: Source: Wikipedia
    • The Netherlands had about 4.5 million citizens.
    • April 8 » William Ewart Gladstone introduces the first Irish Home Rule Bill into the British House of Commons.
    • May 1 » Rallies are held throughout the United States demanding the eight-hour work day, culminating in the Haymarket affair in Chicago, in commemoration of which May 1 is celebrated as International Workers' Day in many countries.
    • June 10 » Mount Tarawera in New Zealand erupts, killing 153 people and burying the famous Pink and White Terraces. Eruptions continue for three months creating a large, 17km long fissure across the mountain peak.
    • June 26 » Henri Moissan isolated elemental Fluorine for the first time.
    • July 3 » Karl Benz officially unveils the Benz Patent-Motorwagen, the first purpose-built automobile.
    • November 27 » German judge Emil Hartwich sustains fatal injuries in a duel, which would become the background for Theodor Fontane's Effi Briest.
  • The temperature on October 28, 1915 was between 2.1 °C and 6.8 °C and averaged 5.0 °C. There was 6.3 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • 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.
  • In the year 1915: Source: Wikipedia
    • The Netherlands had about 6.3 million citizens.
    • January 21 » Kiwanis International is founded in Detroit.
    • January 31 » World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia.
    • May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
    • June 21 » The U.S. Supreme Court hands down its decision in Guinn v. United States 238 US 347 1915, striking down Oklahoma grandfather clause legislation which had the effect of denying the right to vote to blacks.
    • July 7 » Colombo Town Guard officer Henry Pedris is executed in British Ceylon for allegedly inciting persecution of Muslims.
    • September 15 » The Empire Picture Theatre (now The New Empire Cinema), the oldest running cinema in mainland Australia, opens in Bowral, New South Wales.
  • The temperature on January 13, 1963 was between -15.2 °C and -2.7 °C and averaged -8.0 °C. There was 0.6 mm of rain during 0.3 hours. The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
  • Koningin Juliana (Huis van Oranje-Nassau) was from September 4, 1948 till April 30, 1980 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from May 19, 1959 to July 24, 1964 the cabinet De Quay, with Prof. dr. J.E. de Quay (KVP) as prime minister.
  • In The Netherlands , there was from July 24, 1963 to April 14, 1965 the cabinet Marijnen, with Mr. V.G.M. Marijnen (KVP) as prime minister.
  • In the year 1963: Source: Wikipedia
    • The Netherlands had about 11.9 million citizens.
    • June 12 » NAACP field secretary Medgar Evers is murdered in front of his home in Jackson, Mississippi by Ku Klux Klan member Byron De La Beckwith during the civil rights movement.
    • November 1 » The 1963 South Vietnamese coup begins.
    • November 22 » U.S. President John F. Kennedy is assassinated and Texas Governor John Connally is seriously wounded by Lee Harvey Oswald, who also kills Dallas Police officer J. D. Tippit after fleeing the scene. U.S Vice President Lyndon B. Johnson is sworn in as the 36th President of the United States afterwards.
    • November 22 » William Clay Ford Sr. buys the Detroit Lions for $4.5 million.
    • December 7 » Instant replay makes its debut during the Army-Navy football game in Philadelphia, Pennsylvania, United States.
    • December 22 » The cruise ship Lakonia burns 180 miles (290km) north of Madeira, Portugal with the loss of 128 lives.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Kortenhorst


The Family tree Sloot publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Paulus Kruijer, "Family tree Sloot", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-sloot/I642.php : accessed March 6, 2026), "Leonardus Gerardus (Rad) Kortenhorst (1886-1963)".