The temperature on March 30, 1868 was about 9.8 °C. The air pressure was 1 kgf/m2 and came mainly from the northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 52%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
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 1 » The Pi Kappa Alpha fraternity is founded at the University of Virginia.
March 23 » The University of California is founded in Oakland, California when the Organic Act is signed into law.
July 9 » The 14th Amendment to the United States Constitution is ratified, guaranteeing African Americans full citizenship and all persons in the United States due process of law.
July 25 » The Wyoming Territory is established.
October 10 » The Ten Years' War begins against Spanish rule in Cuba.
November 2 » Time zone: New Zealand officially adopts a standard time to be observed nationally.
Day of marriage June 19, 1912
The temperature on June 19, 1912 was between 11.2 °C and 27.0 °C and averaged 19.3 °C. There was 10.5 mm of rain. There was 10.8 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
March 12 » The Girl Guides (later renamed the Girl Scouts of the USA) are founded in the United States.
April 20 » Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
May 8 » Paramount Pictures is founded.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I204728.php : accessed October 14, 2026), "Janna Landstra (1868-????)".
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