April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
May 20 » Cuba gains independence from the United States. Tomás Estrada Palma becomes the country's first President.
May 31 » Second Boer War: The Treaty of Vereeniging ends the war and ensures British control of South Africa.
August 22 » Cadillac Motor Company is founded.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
Day of marriage May 20, 1926
The temperature on May 20, 1926 was between 5.7 °C and 17.6 °C and averaged 12.1 °C. There was 3.9 hours of sunshine (25%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
April 24 » The Treaty of Berlin is signed. Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party for the next five years.
June 23 » The College Board administers the first SAT exam.
August 6 » Gertrude Ederle becomes the first woman to swim across the English Channel.
August 20 » Japan's public broadcasting company, Nippon Hōsō Kyōkai (NHK) is established.
October 31 » Last issue of the independent Italian newspaper Il Mondo, thereafter suppressed by the Mussolini regime
November 11 » The United States Numbered Highway System is established.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I200024.php : accessed March 8, 2026), "Roelof Hendrik Smook (1902-)".
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