The temperature on May 23, 1955 was between 0.3 °C and 15.3 °C and averaged 9.6 °C. There was 0.1 mm of rain during 0.1 hours. There was 0.6 hours of sunshine (4%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 12 » The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective.
October 1 » The Xinjiang Uyghur Autonomous Region is established.
November 5 » After being destroyed in World War II, the rebuilt Vienna State Opera reopens with a performance of Beethoven's Fidelio.
December 5 » E. D. Nixon and Rosa Parks lead the Montgomery Bus Boycott.
December 8 » The Flag of Europe is adopted by Council of Europe.
December 14 » Albania, Austria, Bulgaria, Cambodia, Ceylon, Finland, Hungary, Ireland, Italy, Jordan, Laos, Libya, Nepal, Portugal, Romania and Spain join the United Nations through United Nations Security Council Resolution 109.
Day of marriage August 10, 1977
The temperature on August 10, 1977 was between 12.0 °C and 17.9 °C and averaged 15.3 °C. There was -0.1 mm of rain. There was 0.2 hours of sunshine (1%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
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.
January 18 » Scientists identify a previously unknown bacterium as the cause of the mysterious Legionnaires' disease.
July 13 » New York City: Amidst a period of financial and social turmoil experiences an electrical blackout lasting nearly 24 hours that leads to widespread fires and looting.
July 26 » The National Assembly of Quebec imposes the use of French as the official language of the provincial government.
August 20 » Voyager program: NASA launches the Voyager 2 spacecraft.
September 10 » Hamida Djandoubi, convicted of torture and murder, is the last person to be executed by guillotine in France.
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".
When copying data from this family tree, please include a reference to the origin: Gijsbertus Cornelis (Bert) Severijn, "Family tree Severijn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-severijn/I1934.php : accessed January 30, 2026), "Douglas Roger Wesseldyk (1955-)".
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