The temperature on May 26, 1875 was about 14.7 °C. The air pressure was 31 kgf/m2 and came mainly from the northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 57%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
January 5 » The Palais Garnier, one of the most famous opera houses in the world, is inaugurated in Paris.
March 15 » Archbishop of New York John McCloskey is named the first cardinal in the United States.
May 20 » Signing of the Metre Convention by 17 nations leading to the establishment of the International System of Units.
August 25 » Captain Matthew Webb becomes the first person to swim across the English Channel, traveling from Dover, England, to Calais, France, in 21 hours and 45 minutes.
September 27 » The merchant sailing ship Ellen Southard is wrecked in a storm at Liverpool.
October 22 » First telegraphic connection in Argentina.
Day of marriage February 11, 1903
The temperature on February 11, 1903 was between 6.6 °C and 8.5 °C and averaged 7.3 °C. Source: KNMI
February 14 » The United States Department of Commerce and Labor is established (later split into the Department of Commerce and the Department of Labor).
February 23 » Cuba leases Guantánamo Bay to the United States "in perpetuity".
June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
November 3 » With the encouragement of the United States, Panama separates from Colombia.
December 14 » The Wright brothers make their first attempt to fly with the Wright Flyer at Kitty Hawk, North Carolina.
Day of death March 13, 1958
The temperature on March 13, 1958 was between -1.8 °C and 1.8 °C and averaged -0.3 °C. There was 2.4 mm of rain during 5.4 hours. The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
March 26 » The United States Army launches Explorer 3.
May 22 » The 1958 riots in Ceylon become a watershed in the race relations of various ethnic communities of Sri Lanka. The total deaths is estimated at 300, mostly Tamils.
July 25 » The African Regroupment Party holds its first congress in Cotonou.
August 3 » The world's first nuclear submarine, the USS Nautilus, becomes the first vessel to complete a submerged transit of the geographical North Pole.
August 29 » United States Air Force Academy opens in Colorado Springs, Colorado.
September 12 » Jack Kilby demonstrates the first working integrated circuit while working at Texas Instruments.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I18872.php : accessed February 22, 2026), "Wilhelmina van Heulen (1875-1958)".
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