The temperature on June 27, 1890 was about 17.5 °C. The air pressure was 3 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 73%. Source: KNMI
July 3 » Idaho is admitted as the 43rd U.S. state.
July 10 » Wyoming is admitted as the 44th U.S. state.
October 1 » Yosemite National Park is established by the U.S. Congress.
November 4 » City and South London Railway: London's first deep-level tube railway opens between King William Street and Stockwell.
December 15 » Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation, leading to the Wounded Knee Massacre.
December 29 » Wounded Knee Massacre on Pine Ridge Indian Reservation, 300 Lakota are killed by the United States 7th Cavalry Regiment.
Day of marriage June 6, 1912
The temperature on June 6, 1912 was between 9.9 °C and 17.4 °C and averaged 13.5 °C. There was 2.9 mm of rain. There was 5.0 hours of sunshine (30%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
May 8 » Paramount Pictures is founded.
June 8 » Carl Laemmle incorporates Universal Pictures.
November 2 » Bulgaria defeats the Ottoman Empire in the Battle of Lule Burgas, the bloodiest battle of the First Balkan War, which opens her way to Constantinople.
November 12 » King George I of Greece makes a triumphal entry into Thessaloniki after its liberation from 482 years of Ottoman rule.
November 19 » First Balkan War: The Serbian Army captures Bitola, ending the five-century-long Ottoman rule of Macedonia.
When copying data from this family tree, please include a reference to the origin: W.A. Waslander, "Family tree Waslander", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-waslander/I462.php : accessed March 18, 2026), "Jan Jogchems Groen (1890-????)".
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