April 25 » Spanish–American War: The United States declares war on Spain.
May 8 » The first games of the Italian football league system are played.
August 11 » Spanish–American War: American troops enter the city of Mayagüez, Puerto Rico.
August 12 » The Hawaiian flag is lowered from ʻIolani Palace in an elaborate annexation ceremony and replaced with the flag of the United States to signify the transfer of sovereignty from the Republic of Hawaii to the United States.
September 2 » Battle of Omdurman: British and Egyptian troops defeat Sudanese tribesmen and establish British dominance in Sudan.
September 21 » Empress Dowager Cixi seizes power and ends the Hundred Days' Reform in China.
Day of marriage August 18, 1926
The temperature on August 18, 1926 was between 14.2 °C and 23.4 °C and averaged 17.6 °C. There was 1.9 mm of rain. There was 4.9 hours of sunshine (34%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
May 12 » The Italian-built airship Norge becomes the first vessel to fly over the North Pole.
June 14 » Brazil leaves the League of Nations.
August 5 » Harry Houdini performs his greatest feat, spending 91 minutes underwater in a sealed tank before escaping.
August 6 » Gertrude Ederle becomes the first woman to swim across the English Channel.
November 15 » The NBC radio network opens with 24 stations.
November 25 » The deadliest November tornado outbreak in U.S. history kills 76 people and injures more than 400.
Day of death April 13, 1959
The temperature on April 13, 1959 was between 8.8 °C and 22.7 °C and averaged 15.4 °C. There was 8.2 hours of sunshine (60%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 29 » The first Melodifestivalen is held in Cirkus, Stockholm, Sweden.
June 14 » Disneyland Monorail System, the first daily operating monorail system in the Western Hemisphere, opens to the public in Anaheim, California.
August 3 » Portugal's state police force PIDE fires upon striking workers in Bissau, Portuguese Guinea, killing over 50 people.
October 12 » At the national congress of the American Popular Revolutionary Alliance in Peru, a group of leftist radicals are expelled from the party who later form APRA Rebelde.
November 23 » French President Charles de Gaulle declares in a speech in Strasbourg his vision for "Europe, from the Atlantic to the Urals".
December 3 » The current flag of Singapore is adopted, six months after Singapore became self-governing within the British Empire.
When copying data from this family tree, please include a reference to the origin: David Dirk Pilon, "Family tree Pilon", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-pilon/I557.php : accessed February 16, 2026), "Hendrik Wiersema (1898-1959)".
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