February 20 » The legislature of Hawaii Territory convenes for the first time.
March 2 » United States Steel Corporation is founded as a result of a merger between Carnegie Steel Company and Federal Steel Company which became the first corporation in the world with a market capital over $1 billion.
May 9 » Australia opens its first national parliament in Melbourne.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
September 17 » Second Boer War: A Boer column defeats a British force at the Battle of Blood River Poort.
November 18 » Britain and the United States sign the Hay–Pauncefote Treaty, which nullifies the Clayton–Bulwer Treaty and withdraws British objections to an American-controlled canal in Panama.
Day of death July 25, 1955
The temperature on July 25, 1955 was between 11.8 °C and 24.7 °C and averaged 18.4 °C. There was 0.5 mm of rain during 0.3 hours. There was 9.3 hours of sunshine (59%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
May 25 » First ascent of Mount Kangchenjunga: A British expedition led by Charles Evans, Joe Brown and George Band reaches the summit of the third-highest mountain in the world (8,586 meters); Norman Hardie and Tony Streather join them the following day.
September 6 » Istanbul's Greek, Jewish, and Armenian minorities are the target of a government-sponsored pogrom; dozens are killed in ensuing riots.
September 16 » A Zulu-class submarine becomes the first to launch a ballistic missile.
September 25 » The Royal Jordanian Air Force is founded.
October 1 » The Xinjiang Uyghur Autonomous Region is established.
December 20 » Cardiff is proclaimed the capital city of Wales, United Kingdom.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I53416.php : accessed January 28, 2026), "Govert van Heumen (1901-1955)".
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.