The temperature on January 13, 1876 was about -3.7 °C. The air pressure was 15 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 91%. 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).
April 17 » Catalpa rescue: The rescue of six Fenian prisoners from Fremantle Prison in Western Australia.
May 10 » The Centennial Exposition is opened in Philadelphia.
June 4 » An express train called the Transcontinental Express arrives in San Francisco, via the First Transcontinental Railroad only 83 hours and 39 minutes after leaving New York City.
August 1 » Colorado is admitted as the 38th U.S. state.
November 17 » Pyotr Ilyich Tchaikovsky's "Slavonic March" is given its premiere performance in Moscow, Russia.
December 23 » First day of the Constantinople Conference which resulted in agreement for political reforms in the Balkans.
Day of marriage May 18, 1901
The temperature on May 18, 1901 was between 2.4 °C and 13.9 °C and averaged 8.2 °C. There was 6.4 hours of sunshine (40%). Source: KNMI
January 10 » The first great Texas oil gusher is discovered at Spindletop in Beaumont, Texas.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
October 24 » Annie Edson Taylor becomes the first person to go over Niagara Falls in a barrel.
November 18 » Britain and the United States sign the Hay–Pauncefote Treaty, which nullifies the Clayton–Bulwer Treaty and withdraws British objections to an American-controlled canal in Panama.
December 3 » In a State of the Union message, U.S. President Theodore Roosevelt delivers a 20,000-word speech to the House of Representatives asking Congress to curb the power of trusts "within reasonable limits".
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I47549.php : accessed October 2, 2026), "Willemke Helder (1876-????)".
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