The temperature on June 15, 1867 was about 14.9 °C. There was 0.7 mm of rain. The air pressure was 11 kgf/m2 and came mainly from the northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 58%. 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).
March 1 » Nebraska becomes the 37th U.S. state; Lancaster, Nebraska is renamed Lincoln and becomes the state capital.
March 2 » The U.S. Congress passes the first Reconstruction Act.
March 29 » Queen Victoria gives Royal Assent to the British North America Act which establishes Canada on July 1.
May 3 » The Hudson's Bay Company gives up all claims to Vancouver Island.
July 17 » Harvard School of Dental Medicine is established in Boston, Massachusetts. It is the first dental school in the U.S. that is affiliated with a university.
September 28 » Toronto becomes the capital of Ontario, having also been the capital of Ontario's predecessors since 1796.
Day of death July 11, 1920
The temperature on July 11, 1920 was between 12.9 °C and 21.9 °C and averaged 17.2 °C. There was 3.6 hours of sunshine (22%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
April 25 » At the San Remo conference, the principal Allied Powers of World War I adopt a resolution to determine the allocation of Class "A" League of Nations mandates for administration of the former Ottoman-ruled lands of the Middle East.
May 2 » The first game of the Negro National League baseball is played in Indianapolis.
August 10 » World War I: Ottoman sultan Mehmed VI's representatives sign the Treaty of Sèvres that divides up the Ottoman Empire between the Allies.
August 26 » The 19th amendment to United States Constitution takes effect, giving women the right to vote.
September 17 » The National Football League is organized as the American Professional Football Association in Canton, Ohio.
December 3 » Following more than a month of Turkish–Armenian War, the Turkish dictated Treaty of Alexandropol is concluded.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I672.php : accessed January 17, 2026), "Roelof Vunderink (1840-1920)".
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