February 20 » The legislature of Hawaii Territory convenes for the first time.
May 3 » The Great Fire of 1901 begins in Jacksonville, Florida.
June 11 » The boundaries of the Colony of New Zealand are extended by the UK to include the Cook Islands.
July 24 » O. Henry is released from prison in Columbus, Ohio, after serving three years for embezzlement from a bank.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
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 marriage May 30, 1924
The temperature on May 30, 1924 was between 10.5 °C and 18.7 °C and averaged 14.8 °C. There was 0.5 mm of rain. There was 5.7 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 5 » The Royal Greenwich Observatory begins broadcasting the hourly time signals known as the Greenwich Time Signal.
February 8 » Capital punishment: The first state execution in the United States by gas chamber takes place in Nevada.
May 10 » J. Edgar Hoover is appointed first Director of the United States' Federal Bureau of Investigation (FBI), and remains so until his death in 1972.
May 21 » University of Chicago students Richard Loeb and Nathan Leopold, Jr. murder 14-year-old Bobby Franks in a "thrill killing".
June 10 » Fascists kidnap and kill Italian Socialist leader Giacomo Matteotti in Rome.
August 28 » The Georgian opposition stages the August Uprising against the Soviet Union.
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/I4661.php : accessed March 16, 2026), "Gerrit Hendrik Keizer (1901-)".
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