Eijsermans family tree » Johanna Catharina Mertens (1893-1977)

Personal data Johanna Catharina Mertens 


Household of Johanna Catharina Mertens

She is married to Joannes de Roover.

They got married on October 26, 1921 at Ginneken en Bavel, she was 28 years old.

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Historical events

Birthday August 18, 1893

  • The temperature on August 18, 1893 was about 23.3 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 67%. 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 August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
  • In the year 1893: Source: Wikipedia
    • The Netherlands had about 5.1 million citizens.
    • January 21 » The Tati Concessions Land, formerly part of Matabeleland, is formally annexed to the Bechuanaland Protectorate, now Botswana.
    • May 1 » The World's Columbian Exposition opens in Chicago.
    • June 13 » Grover Cleveland notices a rough spot in his mouth and on July 1 undergoes secret, successful surgery to remove a large, cancerous portion of his jaw; the operation was not revealed to the public until 1917, nine years after the president's death.
    • August 15 » Ibadan area becomes a British Protectorate after a treaty signed by Fijabi, the Baale of Ibadan with the British acting Governor of Lagos, George C. Denton.
    • October 28 » Tchaikovsky's Symphony No. 6 in B Minor, Pathétique receives its première performance only nine days before the composer's death.
    • December 4 » First Matabele War: A patrol of 34 British South Africa Company soldiers is ambushed and annihilated by more than 3,000 Matabele warriors on the Shangani River in Matabeleland.

Day of death April 17, 1977

  • The temperature on April 17, 1977 was between 0.9 °C and 13.4 °C and averaged 6.5 °C. There was -0.1 mm of rain. There was 5.7 hours of sunshine (41%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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 Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
  • In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
  • In the year 1977: Source: Wikipedia
    • The Netherlands had about 13.8 million citizens.
    • May 31 » The Trans-Alaska Pipeline System is completed.
    • June 13 » Convicted Martin Luther King Jr. assassin James Earl Ray is recaptured after escaping from prison three days before.
    • July 22 » Chinese leader Deng Xiaoping is restored to power.
    • August 10 » In Yonkers, New York, 24-year-old postal employee David Berkowitz ("Son of Sam") is arrested for a series of killings in the New York City area over the period of one year.
    • August 20 » Voyager program: NASA launches the Voyager 2 spacecraft.
    • November 21 » Minister of Internal Affairs Allan Highet announces that the national anthems of New Zealand shall be the traditional anthem "God Save the Queen" and "God Defend New Zealand".


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Mertens

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When copying data from this family tree, please include a reference to the origin:
J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I257731.php : accessed March 16, 2026), "Johanna Catharina Mertens (1893-1977)".