The temperature on May 6, 1890 was about 16.0 °C. There was 0.1 mm of rain. The airpressure was 75 cm mercury. The atmospheric humidity was 72%. Source: KNMI
January 1 » Eritrea is consolidated into a colony by the Italian government.
April 7 » Completion of the first Lake Biwa Canal.
April 14 » The Pan-American Union is founded by the First International Conference of American States in Washington, D.C.
July 27 » Vincent van Gogh shoots himself and dies two days later.
September 25 » The United States Congress establishes Sequoia National Park.
November 23 » King William III of the Netherlands dies without a male heir and a special law is passed to allow his daughter Princess Wilhelmina to succeed him.
Day of marriage June 1, 1912
The temperature on June 1, 1912 was between 9.3 °C and 22.6 °C and averaged 15.6 °C. There was 1.9 mm of rain. There was 8.2 hours of sunshine (50%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
April 20 » Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
November 12 » King George I of Greece makes a triumphal entry into Thessaloniki after its liberation from 482 years of Ottoman rule.
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/I187660.php : accessed October 16, 2026), "Aletta Detmar (1890-????)".
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