April 20 » U.S. President William McKinley signed a joint resolution to Congress for declaration of war against Spain, beginning the Spanish–American War.
June 10 » Spanish–American War: In the Battle of Guantánamo Bay, U.S. Marines begin the American invasion of Spanish-held Cuba.
June 17 » The United States Navy Hospital Corps is established.
August 13 » Carl Gustav Witt discovers 433 Eros, the first near-Earth asteroid to be found.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
November 5 » Negrese nationalists revolt against Spanish rule and establish the short-lived Republic of Negros.
Day of marriage February 18, 1926
The temperature on February 18, 1926 was between 4.4 °C and 8.0 °C and averaged 6.3 °C. There was 2.9 mm of rain. There was 2.8 hours of sunshine (28%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
March 15 » The dictator Theodoros Pangalos is elected President of Greece without opposition.
May 9 » Admiral Richard E. Byrd and Floyd Bennett claim to have flown over the North Pole (later discovery of Byrd's diary appears to cast some doubt on the claim.)
June 14 » Brazil leaves the League of Nations.
June 28 » Mercedes-Benz is formed by Gottlieb Daimler and Karl Benz merging their two companies.
September 8 » Germany is admitted to the League of Nations.
October 14 » The children's book Winnie-the-Pooh, by A. A. Milne, is first published.
Day of death May 11, 1969
The temperature on May 11, 1969 was between 11.2 °C and 18.4 °C and averaged 14.1 °C. There was 0.1 mm of rain during 0.1 hours. There was 2.5 hours of sunshine (16%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 19 » Student Jan Palach dies after setting himself on fire three days earlier in Prague's Wenceslas Square to protest about the invasion of Czechoslovakia by the Soviet Union in 1968. His funeral turns into another major protest.
April 28 » Charles de Gaulle resigns as President of France.
May 21 » Civil unrest in Rosario, Argentina, known as Rosariazo, following the death of a 15-year-old student.
August 14 » The Troubles: British troops are deployed in Northern Ireland as political and sectarian violence breaks out, marking the start of the 37-year Operation Banner.
September 9 » In Canada, the Official Languages Act comes into force, making French equal to English throughout the Federal government.
September 14 » The US Selective Service selects September 14 as the First Draft Lottery date.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I29231.php : accessed January 21, 2026), "Nanne Abma (1898-1969)".
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.