February 23 » Cuba leases Guantánamo Bay to the United States "in perpetuity".
July 20 » The Ford Motor Company ships its first automobile.
July 23 » The Ford Motor Company sells its first car.
August 2 » The Ilinden–Preobrazhenie Uprising against the Ottoman Empire begins.
August 29 » The Slava, the last of the five Borodino-class battleships, is launched.
December 14 » The Wright brothers make their first attempt to fly with the Wright Flyer at Kitty Hawk, North Carolina.
Day of death January 30, 1955
The temperature on January 30, 1955 was between 3.0 °C and 8.2 °C and averaged 5.6 °C. There was 0.3 mm of rain during 0.8 hours. There was -0.1 hours of sunshine (0%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 7 » Contralto Marian Anderson becomes the first person of color to perform at the Metropolitan Opera in Giuseppe Verdi's Un ballo in maschera.
April 12 » The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective.
September 16 » The military coup to unseat President Juan Perón of Argentina is launched at midnight.
October 26 » After the last Allied troops have left the country, and following the provisions of the Austrian Independence Treaty, Austria declares that it will never join a military alliance.
December 1 » American Civil Rights Movement: In Montgomery, Alabama, seamstress Rosa Parks refuses to give up her bus seat to a white man and is arrested for violating the city's racial segregation laws, an incident which leads to that city's bus boycott.
December 5 » The American Federation of Labor and the Congress of Industrial Organizations merge and form the AFL–CIO.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I4702.php : accessed January 29, 2026), "Cornelis Zweers (1903-1955)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.