The temperature on July 1, 1880 was about 16.3 °C. There was 4 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 89%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
February 13 » Thomas Edison observes Thermionic emission.
June 28 » Australian bushranger Ned Kelly is captured at Glenrowan.
June 29 » France annexes Tahiti, renaming the independent Kingdom of Tahiti as "Etablissements de français de l'Océanie".
July 27 » Second Anglo-Afghan War: Battle of Maiwand: Afghan forces led by Mohammad Ayub Khan defeat the British Army in battle near Maiwand, Afghanistan.
August 14 » Construction of Cologne Cathedral, the most famous landmark in Cologne, Germany, is completed.
December 16 » Outbreak of the First Boer War between the Boer South African Republic and the British Empire.
Day of marriage May 2, 1907
The temperature on May 2, 1907 was between 3.7 °C and 9.4 °C and averaged 6.3 °C. There was 3.8 mm of rain. There was 0.2 hours of sunshine (1%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
January 6 » Maria Montessori opens her first school and daycare center for working class children in Rome, Italy.
June 14 » The National Association for Women's Suffrage succeeds in getting Norwegian women the right to vote in parliamentary elections.
August 31 » Russia and the United Kingdom sign the Anglo-Russian Convention, by which the UK recognizes Russian preeminence in northern Persia, while Russia recognizes British preeminence in southeastern Persia and Afghanistan. Both powers pledge not to interfere in Tibet.
September 29 » The cornerstone is laid at the Cathedral Church of Saint Peter and Saint Paul (better known as Washington National Cathedral) in Washington, D.C.
November 7 » Jesús García saves the entire town of Nacozari de García by driving a burning train full of dynamite six kilometers (3.7 miles) away before it can explode.
November 9 » The Cullinan Diamond is presented to King Edward VII on his birthday.
When copying data from this family tree, please include a reference to the origin: Sake Siegersma, "Family tree Siegersma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-siegersma/I2192.php : accessed February 19, 2026), "Willem van Olst (1880-????)".
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