January 12 » The National Trust is founded in the United Kingdom.
February 1 » Fountains Valley, Pretoria, the oldest nature reserve in Africa, is proclaimed by President Paul Kruger.
March 19 » Auguste and Louis Lumière record their first footage using their newly patented cinematograph.
May 25 » The Republic of Formosa is formed, with Tang Jingsong as its president.
October 21 » The Republic of Formosa collapses as Japanese forces invade.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of marriage May 17, 1926
The temperature on May 17, 1926 was between 2.0 °C and 11.7 °C and averaged 7.5 °C. There was 0.7 mm of rain. There was 0.8 hours of sunshine (5%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
March 15 » The dictator Theodoros Pangalos is elected President of Greece without opposition.
April 6 » Varney Airlines makes its first commercial flight (Varney is the root company of United Airlines).
April 21 » Al-Baqi cemetery, former site of the mausoleum of four Shi'a Imams, is leveled to the ground by Wahhabis.
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 18 » Evangelist Aimee Semple McPherson disappears in Venice, California.
November 11 » The United States Numbered Highway System is established.
When copying data from this family tree, please include a reference to the origin: G.O.Happé, "Family tree Happé", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-happe/I1028.php : accessed February 2, 2026), "Mathias Johannes Hubertus (Mathias Johannes Hubertus ) Hendriks (1895-????)".
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