The temperature on August 17, 1865 was about 17.1 °C. There was 16 mm of rain. The air pressure was 2.5 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 81%. 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.
April 10 » American Civil War: A day after his surrender to Union forces, Confederate General Robert E. Lee addresses his troops for the last time.
April 12 » American Civil War: Mobile, Alabama, falls to the Union Army.
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.
July 27 » Welsh settlers arrive at Chubut in Argentina.
August 12 » Joseph Lister, British surgeon and scientist, performs 1st antiseptic surgery.
Day of marriage November 11, 1899
The temperature on November 11, 1899 was about 7.0 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 91%. Source: KNMI
January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
January 23 » The Malolos Constitution is inaugurated, establishing the First Philippine Republic. Emilio Aguinaldo is sworn in as its first President.
February 2 » The Australian Premiers' Conference held in Melbourne decides to locate Australia's capital city, Canberra, between Sydney and Melbourne.
February 6 » Spanish–American War: The Treaty of Paris, a peace treaty between the United States and Spain, is ratified by the United States Senate.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
October 11 » The Second Boer War erupts in South Africa between the British-ruled Cape Colony, and the Boer-ruled Transvaal and Orange Free State.
Day of death June 18, 1960
The temperature on June 18, 1960 was between 11.5 °C and 26.8 °C and averaged 19.6 °C. There was 9.5 hours of sunshine (57%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
March 4 » The French freighter La Coubre explodes in Havana, Cuba, killing 100.
April 13 » The United States launches Transit 1-B, the world's first satellite navigation system.
April 15 » At Shaw University in Raleigh, North Carolina, Ella Baker leads a conference that results in the creation of the Student Nonviolent Coordinating Committee, one of the principal organizations of the civil rights movement in the 1960s.
August 6 » Cuban Revolution: Cuba nationalizes American and foreign-owned property in the nation.
October 29 » An airplane carrying the Cal Poly football team crashes on takeoff in Toledo, Ohio.
December 15 » Richard Pavlick is arrested for plotting to assassinate U.S. President-Elect John F. Kennedy.
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/I129768.php : accessed December 29, 2025), "Geert Klamer (1865-1960)".
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