The temperature on May 2, 1889 was about 13.7 °C. There was 0.3 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 75%. Source: KNMI
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
March 31 » The Eiffel Tower is officially opened.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
Day of marriage June 26, 1912
The temperature on June 26, 1912 was between 11.8 °C and 18.7 °C and averaged 14.9 °C. There was 2.8 mm of rain. There was 6.9 hours of sunshine (41%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Hans Pruckmuller, "Family tree Van Willigen", database, Genealogy Online (https://www.genealogieonline.nl/van-willigen-stamboom/I17536.php : accessed February 15, 2026), "Petronella Norberta Maria van der Heijden (1889-????)".
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