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.
    • January 29 » Karl Benz patents the first successful gasoline-driven automobile.
    • March 1 » The Anglo-Chinese School, Singapore is founded by Bishop William Oldham.
    • May 8 » Pharmacist John Pemberton first sells a carbonated beverage named "Coca-Cola" as a patent medicine.
    • 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.
    • 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.
  • 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 17 » Russia defeats Ottoman Turkey in the Battle of Sarikamish during the Caucasus Campaign of World War I.
    • January 28 » An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
    • 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.
    • May 7 » World War I: German submarine U-20 sinks RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire.
    • July 1 » Leutnant Kurt Wintgens of the then-named German Deutsches Heer's Fliegertruppe army air service achieves the first known aerial victory with a synchronized machine-gun armed fighter plane, the Fokker M.5K/MG Eindecker.
    • August 4 » World War I: The German 12th Army occupies Warsaw during the Gorlice–Tarnów Offensive and the Great Retreat of 1915.
  • 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.
    • March 21 » Alcatraz Federal Penitentiary (in California) closes.
    • June 26 » Cold War: U.S. President John F. Kennedy gave his "Ich bin ein Berliner" speech, underlining the support of the United States for democratic West Germany shortly after Soviet-supported East Germany erected the Berlin Wall.
    • July 24 » The ship Bluenose II was launched in Lunenburg, Nova Scotia. The schooner is a major Canadian symbol.
    • October 3 » A violent coup in Honduras begins two decades of military rule.
    • November 2 » South Vietnamese President Ngô Đình Diệm is assassinated following a military coup.
    • November 25 » President John F. Kennedy is buried at Arlington National Cemetery in Arlington County, Virginia, across the Potomac River from Washington, D.C.; his assassin, Lee Harvey Oswald, is buried on the same day in Fort Worth, Texas.


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 February 15, 2026), "Leonardus Gerardus (Rad) Kortenhorst (1886-1963)".