The temperature on August 15, 1904 was between 13.6 °C and 19.9 °C and averaged 16.8 °C. There was 6.1 hours of sunshine (41%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
January 8 » The Blackstone Library is dedicated, marking the beginning of the Chicago Public Library system.
February 17 » Madama Butterfly receives its première at La Scala in Milan.
May 4 » The United States begins construction of the Panama Canal.
June 16 » Eugen Schauman assassinates Nikolay Bobrikov, Governor-General of Finland.
August 23 » The automobile tire chain is patented.
November 16 » English engineer John Ambrose Fleming receives a patent for the thermionic valve (vacuum tube).
Day of marriage April 30, 1927
The temperature on April 30, 1927 was between 0.9 °C and 11.9 °C and averaged 6.2 °C. There was 9.1 hours of sunshine (61%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
July 24 » The Menin Gate war memorial is unveiled at Ypres.
October 25 » The Italian luxury liner SS Principessa Mafalda sinks off the coast of Brazil, killing 314.
November 12 » Leon Trotsky is expelled from the Soviet Communist Party, leaving Joseph Stalin in undisputed control of the Soviet Union.
December 2 » Following 19 years of Ford Model T production, the Ford Motor Company unveils the Ford Model A as its new automobile.
December 8 » The Brookings Institution, one of the United States' oldest think tanks, is founded through the merger of three organizations that had been created by philanthropist Robert S. Brookings.
December 27 » Kern and Hammerstein's musical play Show Boat, considered to be the first true American musical play, opens at the Ziegfeld Theatre on Broadway.
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The Family tree Steenhagen publication was prepared by J. Steenhagen (contact is not possible).
When copying data from this family tree, please include a reference to the origin: J. Steenhagen, "Family tree Steenhagen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-steenhagen/I1927.php : accessed February 7, 2026), "Jan Slettenhaar (1904-)".
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