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.
March 19 » American Civil War: The Battle of Bentonville begins. By the end of the battle two days later, Confederate forces had retreated from Four Oaks, North Carolina.
April 20 » Astronomer Angelo Secchi demonstrates the Secchi disk, which measures water clarity, aboard Pope Pius IX's yacht, the L'Immaculata Concezion.
June 11 » The Naval Battle of the Riachuelo is fought on the rivulet Riachuelo (Argentina), between the Paraguayan Navy on one side and the Brazilian Navy on the other. The Brazilian victory was crucial for the later success of the Triple Alliance (Brazil, Uruguay, and Argentina) in the Paraguayan War.
June 28 » The Army of the Potomac is disbanded.
July 27 » Welsh settlers arrive at Chubut in Argentina.
November 26 » Battle of Papudo: A Spanish navy schooner is defeated by a Chilean corvette north of Valparaíso, Chile.
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).
January 29 » The Pakistan Socialist Party is founded in Karachi.
February 28 » Christiansborg Cross-Roads shooting in the Gold Coast, when a British police officer opens fire on a march of ex-servicemen, killing three of them and sparking major riots and looting in Accra.
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 21 » United Nations Security Council Resolution 47 relating to Kashmir conflict is adopted.
May 7 » The Council of Europe is founded during the Hague Congress.
October 30 » A luzzu fishing boat overloaded with passengers capsizes and sinks in the Gozo Channel off Qala, Gozo, Malta, killing 23 of the 27 people on board.
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 13, 2026), "Roelof Posthumus (1865-1948)".
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