Family tree Van Os » Johanna Kolnaar (1874-1950)

Personal data Johanna Kolnaar 


Household of Johanna Kolnaar

(1) She is married to Hendrikus Leonardus van Os.

They got married on February 4, 1898 at Hengelo, she was 23 years old.


Child(ren):

  1. Marinus van Os  1898-1968 
  2. Hendrikus van Os  1900-1904
  3. Cornelia van Os  1902-1916
  4. Johannes van Os  ± 1904-1905
  6. Fredrika van Os  1910-1985 
  7. Johannes van Os  1912- 
  8. Bernardus van Os  1914-1985 
  9. Gerardus van Os  1916-1973 
  10. Leonardus van Os  1920-2006 


Timeline Johanna Kolnaar

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Ancestors (and descendant) of Johanna Kolnaar


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Historical events

Birthday May 18, 1874

  • The temperature on May 18, 1874 was about 10.7 °C. There was 0.4 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 74%. Source: KNMI
  • Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
  • From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
  • In the year 1874: Source: Wikipedia
    • The Netherlands had about 4.0 million citizens.
    • February 28 » One of the longest cases ever heard in an English court ends when the defendant is convicted of perjury for attempting to assume the identity of the heir to the Tichborne baronetcy.
    • May 16 » A flood on the Mill River in Massachusetts destroys much of four villages and kills 139 people.
    • May 27 » The first group of Dorsland trekkers under the leadership of Gert Alberts leaves Pretoria.
    • June 29 » Greek politician Charilaos Trikoupis publishes a manifesto in the Athens daily Kairoi entitled "Who's to Blame?" leveling complaints against King George. Trikoupis is elected Prime Minister of Greece the next year.
    • July 1 » The Sholes and Glidden typewriter, the first commercially successful typewriter, goes on sale.
    • August 5 » Japan launches its postal savings system, modeled after a similar system in the United Kingdom.

Day of marriage February 4, 1898

  • The temperature on February 4, 1898 was about 4.7 °C. The airpressure was 74 cm mercury. The atmospheric humidity was 68%. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • Regentes Emma (Huis van Oranje-Nassau) was from 1890 till 1898 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from July 27, 1897 to August 1, 1901 the cabinet Pierson, with Mr. N.G. Pierson (unie-liberaal) as prime minister.
  • In the year 1898: Source: Wikipedia
    • The Netherlands had about 5.1 million citizens.
    • January 13 » Émile Zola's J'accuse…! exposes the Dreyfus affair.
    • 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.
    • April 25 » Spanish–American War: The United States declares war on Spain.
    • June 13 » Yukon Territory is formed, with Dawson chosen as its capital.
    • August 12 » The Hawaiian flag is lowered from ʻIolani Palace in an elaborate annexation ceremony and replaced with the flag of the United States to signify the transfer of sovereignty from the Republic of Hawaii to the United States.
    • December 10 » Spanish–American War: The Treaty of Paris is signed, officially ending the conflict.

Day of death March 21, 1950

  • The temperature on March 21, 1950 was between 8.5 °C and 12.1 °C and averaged 9.5 °C. There was 0.5 mm of rain during 0.3 hours. There was 0.1 hours of sunshine (1%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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)
  • From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
  • In the year 1950: Source: Wikipedia
    • The Netherlands had about 10.0 million citizens.
    • February 8 » Cold War: The Stasi, the secret police of East Germany, is established.
    • May 5 » Bhumibol Adulyadej is crowned as King of Thailand.
    • June 28 » Korean War: Suspected communist sympathizers (between 60,000 to 200,000) are executed in the Bodo League massacre.
    • August 1 » Guam is organized as a United States commonwealth as the President Harry S. Truman signs the Guam Organic Act.
    • October 19 » Iran becomes the first country to accept technical assistance from the United States under the Point Four Program.
    • November 13 » General Carlos Delgado Chalbaud, President of Venezuela, is assassinated in Caracas.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Kolnaar

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The Family tree Van Os publication was prepared by wijlen Harry Lubberman (as indicated in the digital, genealogical legacy, this publication remains online, contact is not possible).
When copying data from this family tree, please include a reference to the origin:
wijlen Harry Lubberman, "Family tree Van Os", database, Genealogy Online (https://www.genealogieonline.nl/van-os-stamboom/I6544.php : accessed February 16, 2026), "Johanna Kolnaar (1874-1950)".