The temperature on April 13, 1865 was about 17.4 °C. There was 0.1 mm of rain. The air pressure was 0.5 kgf/m2 and came mainly from the south east. The airpressure was 76 cm mercury. The atmospheric humidity was 68%. 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.
February 8 » Delaware refuses to ratify the Thirteenth Amendment to the U.S. Constitution. Slavery was outlawed in the United States, including Delaware, when the Amendment was ratified by the requisite number of states on December 6, 1865. Delaware ratified the Thirteenth Amendment on February 12, 1901, which was the ninety-second anniversary of the birth of Abraham Lincoln.
April 4 » American Civil War: A day after Union forces capture Richmond, Virginia, U.S. President Abraham Lincoln visits the Confederate capital.
April 9 » American Civil War: Robert E. Lee surrenders the Army of Northern Virginia (26,765 troops) to Ulysses S. Grant at Appomattox Court House, Virginia, effectively ending the war.
April 27 » The New York State Senate creates Cornell University as the state's land grant institution.
June 28 » The Army of the Potomac is disbanded.
December 1 » Shaw University, the first historically black university in the southern United States, is founded in Raleigh, North Carolina.
Day of death October 31, 1948
The temperature on October 31, 1948 was between 2.6 °C and 4.8 °C and averaged 3.5 °C. The average windspeed was 1 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
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).
March 20 » With a Musicians Union ban lifted, the first telecasts of classical music in the United States, under Eugene Ormandy and Arturo Toscanini, are given on CBS and NBC.
April 7 » The World Health Organization is established by the United Nations.
April 22 » Arab–Israeli War: The port city of Haifa is captured by Jewish forces.
June 26 » William Shockley files the original patent for the grown-junction transistor, the first bipolar junction transistor.
August 10 » Candid Camera makes its television debut after being on radio for a year as Candid Microphone.
August 12 » Babrra massacre: About 600 unarmed members of the Khudai Khidmatgar movement are shot dead on the orders of the Chief Minister of the North-West Frontier Province, Abdul Qayyum Khan Kashmiri, on Babrra ground in the Hashtnagar region of Charsadda District, North-West Frontier Province (now Khyber Pakhtunkhwa), Pakistan.
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/I56648.php : accessed October 8, 2026), "Roelof Posthumus (1865-1948)".
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