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).
May 29 » Mihailo Obrenović III, Prince of Serbia is assassinated.
July 25 » The Wyoming Territory is established.
September 25 » The Imperial Russian steam frigate Alexander Nevsky is shipwrecked off Jutland while carrying Grand Duke Alexei Alexandrovich of Russia.
September 28 » The Battle of Alcolea causes Queen Isabella II of Spain to flee to France.
December 9 » The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
December 24 » The Greek Presidential Guard is established as the royal escort by King George I.
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 23 » The International Opium Convention is signed at The Hague.
March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
April 20 » Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
September 28 » The Ulster Covenant is signed by some 500,000 Ulster Protestant Unionists in opposition to the Third Irish Home Rule Bill.
October 26 » First Balkan War: The Ottomans lose the cities of Thessaloniki and Skopje.
November 12 » The frozen bodies of Robert Scott and his men are found on the Ross Ice Shelf in Antarctica.
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 16, 2026), "Janna Landstra (1868-????)".
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