Family tree Otter » Harm Maas (1915-1971)

Personal data Harm Maas 


Household of Harm Maas

He is married to Jantje Otter.

They got married on September 11, 1942 at Avereest, he was 26 years old.

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Image(s) Harm Maas


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Historical events

Birthday December 22, 1915

  • The temperature on December 22, 1915 was between -3.5 °C and 1.9 °C and averaged -0.9 °C. There was 2.2 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. 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 18 » Japan issues the "Twenty-One Demands" to the Republic of China in a bid to increase its power in East Asia.
    • February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
    • March 18 » World War I: During the Battle of Gallipoli, three battleships are sunk during a failed British and French naval attack on the Dardanelles.
    • May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
    • July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
    • July 16 » Henry James becomes a British citizen to highlight his commitment to Britain during the first World War.

Day of death February 17, 1971

  • The temperature on February 17, 1971 was between -3.0 °C and 5.4 °C and averaged 1.5 °C. There was 1.2 mm of rain during 1.0 hours. There was 5.9 hours of sunshine (59%). The partly clouded was. 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)
  • In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet De Jong, with P.J.S. de Jong (KVP) as prime minister.
  • In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
  • In the year 1971: Source: Wikipedia
    • The Netherlands had about 13.1 million citizens.
    • February 3 » New York Police Officer Frank Serpico is shot during a drug bust in Brooklyn and survives to later testify against police corruption.
    • August 1 » The Concert for Bangladesh, organized by former Beatle George Harrison, is held at Madison Square Garden in New York City.
    • August 5 » The first Pacific Islands Forum (then known as the "South Pacific Forum") is held in Wellington, New Zealand, with the aim of enhancing cooperation between the independent countries of the Pacific Ocean.
    • September 13 » State police and National Guardsmen storm New York's Attica Prison to quell a prison revolt, which claimed 43 lives.
    • November 27 » The Soviet space program's Mars 2 orbiter releases a descent module. It malfunctions and crashes, but it is the first man-made object to reach the surface of Mars.
    • December 9 » Indo-Pakistani War: The Indian Air Force executes an airdrop of Indian Army units, bypassing Pakistani defences.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Maas

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The Family tree Otter publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
J. Otter, "Family tree Otter", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-otter/I5167.php : accessed January 23, 2026), "Harm Maas (1915-1971)".