The temperature on April 29, 1880 was about 7.6 °C. The air pressure was 14 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 43%. 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.
May 11 » Seven people are killed in the Mussel Slough Tragedy, a gun battle in California.
June 7 » War of the Pacific: The Battle of Arica, the assault and capture of Morro de Arica (Arica Cape), ends the Campaña del Desierto (Desert Campaign).
June 24 » First performance of O Canada at the Congrès national des Canadiens-Français. The song would later become the national anthem of Canada.
August 14 » Construction of Cologne Cathedral, the most famous landmark in Cologne, Germany, is completed.
September 1 » The army of Mohammad Ayub Khan is routed by the British at the Battle of Kandahar, ending the Second Anglo-Afghan War.
December 16 » Outbreak of the First Boer War between the Boer South African Republic and the British Empire.
Day of marriage June 15, 1901
The temperature on June 15, 1901 was between 6.3 °C and 16.0 °C and averaged 11.6 °C. There was 5.6 hours of sunshine (33%). Source: KNMI
January 1 » Nigeria becomes a British protectorate.
March 1 » The Australian Army is formed.
March 2 » United States Steel Corporation is founded as a result of a merger between Carnegie Steel Company and Federal Steel Company which became the first corporation in the world with a market capital over $1 billion.
July 4 » William Howard Taft becomes American governor of the Philippines.
August 28 » Silliman University is founded in the Philippines. It is the first American private school in the country.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
When copying data from this family tree, please include a reference to the origin: Klaas Konjer, "Family tree Konjer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-konjer/I462.php : accessed February 2, 2026), "Janna Dijkema (1880-????)".
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