The temperature on July 9, 1869 was about 22.1 °C. The air pressure was 6 kgf/m2 and came mainly from the west-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 50%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
March 6 » Dmitri Mendeleev presents the first periodic table to the Russian Chemical Society.
May 15 » Women's suffrage: In New York, Susan B. Anthony and Elizabeth Cady Stanton form the National Woman Suffrage Association.
May 26 » Boston University is chartered by the Commonwealth of Massachusetts.
August 29 » The Mount Washington Cog Railway opens, making it the world's first mountain-climbing rack railway.
October 16 » Girton College, Cambridge is founded, becoming England's first residential college for women.
November 17 » In Egypt, the Suez Canal, linking the Mediterranean Sea with the Red Sea, is inaugurated.
Day of death March 28, 1909
The temperature on March 28, 1909 was between 1.9 °C and 10.9 °C and averaged 6.6 °C. There was 0.5 mm of rain. There was 0.9 hours of sunshine (7%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Jan De Backer, "Family tree De Backer - Evers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-backer-evers/I12704.php : accessed January 7, 2026), "Joanna Ludovica Clenaerts (± 1836-1909)".
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