February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
April 30 » Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
June 14 » The second German Naval Law calls for the Imperial German Navy to be doubled in size, resulting in an Anglo-German naval arms race.
August 14 » The Eight-Nation Alliance occupies Beijing, China, in a campaign to end the bloody Boxer Rebellion in China.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of marriage April 30, 1926
The temperature on April 30, 1926 was between 11.8 °C and 19.2 °C and averaged 14.8 °C. There was 0.2 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
January 8 » Crown Prince Nguyễn Phúc Vĩnh Thuỵ ascends the throne to become the last monarch of Vietnam.
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.)
May 12 » The Italian-built airship Norge becomes the first vessel to fly over the North Pole.
September 25 » The international Convention to Suppress the Slave Trade and Slavery is first signed.
October 14 » The children's book Winnie-the-Pooh, by A. A. Milne, is first published.
November 11 » The United States Numbered Highway System is established.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I51166.php : accessed January 26, 2026), "Atze Dijkstra (1900-)".
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