The temperature on March 21, 1904 was between 6.1 °C and 12.5 °C and averaged 9.1 °C. There was 0.2 hours of sunshine (2%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 7 » The distress signal "CQD" is established only to be replaced two years later by "SOS".
February 17 » Madama Butterfly receives its première at La Scala in Milan.
May 4 » The United States begins construction of the Panama Canal.
August 10 » Russo-Japanese War: The Battle of the Yellow Sea between the Russian and Japanese battleship fleets takes place.
October 27 » The first underground New York City Subway line opens, later designated as the IRT Broadway–Seventh Avenue Line.
December 6 » Theodore Roosevelt articulated his "Corollary" to the Monroe Doctrine, stating that the U.S. would intervene in the Western Hemisphere should Latin American governments prove incapable or unstable.
Day of marriage May 8, 1926
The temperature on May 8, 1926 was between 0.2 °C and 10.0 °C and averaged 5.5 °C. There was 4.7 mm of rain. There was 3.0 hours of sunshine (20%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I94077.php : accessed February 1, 2026), "Aaltje Siersema (1904-)".
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