The temperature on July 1, 1889 was about 21.1 °C. The air pressure was 18 kgf/m2 and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 64%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
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.
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 8 » Montana is admitted as the 41st U.S. state.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
Day of death February 21, 1890
The temperature on February 21, 1890 was about 3.6 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 78%. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Wilma During, "Family tree During, van der Kolk, van den Bosch, Prins, Stegeman, Molenaar, Bos", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-during/R4883.php : accessed February 22, 2026), "Roelofje Stoffer (1889-1890)".
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