The temperature on September 1, 1889 was about 17.1 °C. The air pressure was 14 kgf/m2 and came mainly from the northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 83%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
February 11 » Meiji Constitution of Japan is adopted.
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
July 8 » The first issue of The Wall Street Journal is published.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
Day of marriage March 20, 1913
The temperature on March 20, 1913 was between 5.0 °C and 10.7 °C and averaged 8.2 °C. There was 2.0 mm of rain. There was 4.6 hours of sunshine (38%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 17 » The Armory Show opens in New York City, displaying works of artists who are to become some of the most influential painters of the early 20th century.
March 3 » Thousands of women march in the Woman Suffrage Procession in Washington, D.C.
June 1 » The Greek–Serbian Treaty of Alliance is signed, paving the way for the Second Balkan War.
June 25 » American Civil War veterans begin arriving at the Great Reunion of 1913.
October 31 » Dedication of the Lincoln Highway, the first automobile highway across United States.
October 31 » The Indianapolis Streetcar Strike and subsequent riot begins.
Day of death April 17, 1926
The temperature on April 17, 1926 was between 4.8 °C and 12.4 °C and averaged 7.6 °C. There was 2.9 mm of rain. There was 4.9 hours of sunshine (35%). The average windspeed was 4 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: M. Keur, "Family tree Keur", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-keur/R2012.php : accessed March 5, 2026), "Willempje Paap (1889-1926)".
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