March 14 » Pelican Island National Wildlife Refuge, the first national wildlife refuge in the US, is established by President Theodore Roosevelt.
June 16 » Roald Amundsen leaves Oslo, Norway, to commence the first east–west navigation of the Northwest Passage.
June 19 » Benito Mussolini, at the time a radical Socialist, is arrested by Bern police for advocating a violent general strike.
August 2 » The Ilinden–Preobrazhenie Uprising against the Ottoman Empire begins.
October 6 » The High Court of Australia sits for the first time.
November 3 » With the encouragement of the United States, Panama separates from Colombia.
Day of death October 15, 1957
The temperature on October 15, 1957 was between 5.7 °C and 15.0 °C and averaged 10.5 °C. There was 0.2 mm of rain. There was 2.7 hours of sunshine (25%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I560389.php : accessed January 27, 2026), "Ingeborg Halvorsen Halvorstu (1903-1957)".
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