Family tree Plugboer » Sophia Catharina Keijsper (1910-1993)

Personal data Sophia Catharina Keijsper 


Household of Sophia Catharina Keijsper

She is married to Florus Hendrik Otten.

They got married on October 18, 1939 at Amsterdam, she was 28 years old.

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Timeline Sophia Catharina Keijsper

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Ancestors (and descendant) of Sophia Catharina Keijsper

Josephus Johannes Keijsper
1858-1947
Trijntje Schouten
1857-1897

Sophia Catharina Keijsper
1910-1993

1939

Florus Hendrik Otten
1900-1982


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    Historical events

    Birthday December 29, 1910

    • The temperature on December 29, 1910 was between -0.2 °C and 5.3 °C and averaged 3.1 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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 February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
    • In the year 1910: Source: Wikipedia
      • The Netherlands had about 5.9 million citizens.
      • July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
      • September 12 » Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter).
      • October 14 » English aviator Claude Grahame-White lands his aircraft on Executive Avenue near the White House in Washington, D.C.
      • November 14 » Aviator Eugene Burton Ely performs the first takeoff from a ship in Hampton Roads, Virginia, taking off from a makeshift deck on the USS Birmingham in a Curtiss pusher.
      • November 21 » Sailors on board Brazil's warships including the Minas Gerais, São Paulo, and Bahia, violently rebel in what is now known as the Revolta da Chibata (Revolt of the Lash).
      • December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.

    Day of marriage October 18, 1939

    • The temperature on October 18, 1939 was between 6.2 °C and 9.2 °C and averaged 8.1 °C. There was 6.0 mm of rain during 2.8 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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 June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
    • In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
    • In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
    • In the year 1939: Source: Wikipedia
      • The Netherlands had about 8.7 million citizens.
      • August 23 » World War II: Nazi Germany and the Soviet Union sign a non-aggression treaty, the Molotov–Ribbentrop Pact. In a secret addition to the pact, the Baltic states, Finland, Romania, and Poland are divided between the two nations.
      • September 1 » Switzerland mobilizes its forces and the Swiss Parliament elects Henri Guisan to head the Swiss Armed Forces (an event that can happen only during war or mobilization).
      • September 1 » World War II: Nazi Germany and Slovakia invade Poland, beginning the European phase of World War II.
      • September 3 » World War II: The United Kingdom and France begin a naval blockade of Germany that lasts until the end of the war. This also marks the beginning of the Battle of the Atlantic.
      • September 10 » World War II: The submarine HMSOxley is mistakenly sunk by the submarine HMSTriton near Norway and becomes the Royal Navy's first loss of a submarine in the war.
      • October 16 » World War II: No. 603 Squadron RAF intercepts the first Luftwaffe raid on Britain.

    Day of death October 5, 1993

    • The temperature on October 5, 1993 was between 9.3 °C and 18.1 °C and averaged 14.1 °C. There was 2.0 mm of rain during 2.4 hours. There was 3.3 hours of sunshine (29%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
    • Koningin Beatrix (Huis van Oranje-Nassau) was from April 30, 1980 till April 30, 2013 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
    • In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
    • In the year 1993: Source: Wikipedia
      • The Netherlands had about 15.2 million citizens.
      • January 7 » The Fourth Republic of Ghana is inaugurated with Jerry Rawlings as President.
      • January 14 » In Poland's worst peacetime maritime disaster, ferry MS Jan Heweliusz sinks off the coast of Rügen, drowning 55 passengers and crew; nine crew-members are saved.
      • April 19 » The 51-day FBI siege of the Branch Davidian building in Waco, Texas, USA, ends when a fire breaks out. 76 Davidians, including eighteen children under the age of ten, died in the fire.
      • April 21 » The Supreme Court in La Paz, Bolivia, sentences former dictator Luis García Meza to 30 years in jail without parole for murder, theft, fraud and violating the constitution.
      • June 12 » An election takes place in Nigeria and is won by Moshood Kashimawo Olawale Abiola. Its results are later annulled by the military Government of Ibrahim Babangida.
      • November 18 » In South Africa, 21 political parties approve a new constitution, expanding voting rights and ending white minority rule.
    

    Same birth/death day

    Source: Wikipedia

    Source: Wikipedia


    About the surname Keijsper

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    The Family tree Plugboer publication was prepared by .contact the author
    When copying data from this family tree, please include a reference to the origin:
    Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I4299.php : accessed February 16, 2026), "Sophia Catharina Keijsper (1910-1993)".