The temperature on July 30, 1865 was about 20.3 °C. There was 0.2 mm of rain. The air pressure was 10 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 56%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
January 31 » American Civil War: The United States Congress passes the Thirteenth Amendment to the United States Constitution, abolishing slavery and submits it to the states for ratification.
March 18 » American Civil War: The Congress of the Confederate States adjourns for the last time.
April 20 » Astronomer Angelo Secchi demonstrates the Secchi disk, which measures water clarity, aboard Pope Pius IX's yacht, the L'Immaculata Concezion.
July 14 » First ascent of the Matterhorn by Edward Whymper and party, four of whom die on the descent.
November 10 » Major Henry Wirz, the superintendent of a prison camp in Andersonville, Georgia, is hanged, becoming one of only three American Civil War soldiers executed for war crimes.
November 18 » Mark Twain's short story "The Celebrated Jumping Frog of Calaveras County" is published in the New York Saturday Press.
Day of marriage March 25, 1893
The temperature on March 25, 1893 was about 4.2 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 98%. Source: KNMI
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
February 1 » Thomas A. Edison finishes construction of the first motion picture studio, the Black Maria in West Orange, New Jersey.
April 1 » The rank of Chief Petty Officer in the United States Navy is established.
June 13 » Grover Cleveland notices a rough spot in his mouth and on July 1 undergoes secret, successful surgery to remove a large, cancerous portion of his jaw; the operation was not revealed to the public until 1917, nine years after the president's death.
November 7 » Women's suffrage: Women in the U.S. state of Colorado are granted the right to vote, the second state to do so.
November 28 » Women's suffrage in New Zealand concludes with the 1893 New Zealand general election.
December 23 » The opera Hansel and Gretel by Engelbert Humperdinck is first performed.
Day of death April 30, 1949
The temperature on April 30, 1949 was between 1.2 °C and 11.0 °C and averaged 6.6 °C. There was 0.1 mm of rain. There was 6.8 hours of sunshine (46%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
April 1 » The Government of Canada repeals Japanese-Canadian internment after seven years.
May 12 » Cold War: The Soviet Union lifts its blockade of Berlin.
June 24 » The first television western, Hopalong Cassidy, starring William Boyd, is aired on NBC.
August 3 » The Basketball Association of America and the National Basketball League finalize the merger that would create the National Basketball Association.
October 3 » WERD, the first black-owned radio station in the United States, opens in Atlanta.
November 7 » The first oil was taken in Oil Rocks (Neft Daşları), oldest offshore oil platform.
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/I28630.php : accessed January 28, 2026), "Klaas Westra (1865-1949)".
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