February 20 » The Postal Service Act, establishing the United States Post Office Department, is signed by United States President George Washington.
March 16 » King Gustav III of Sweden is shot; he dies on March 29.
April 2 » The Coinage Act is passed establishing the United States Mint.
April 5 » United States President George Washington exercises his authority to veto a bill, the first time this power is used in the United States.
April 20 » France declares war against the "King of Hungary and Bohemia", the beginning of French Revolutionary Wars.
September 20 » French troops stop an allied invasion of France at the Battle of Valmy.
Day of death April 20, 1873
The temperature on April 20, 1873 was about 10.4 °C. There was 2 mm of rain. The air pressure was 14 kgf/m2 and came mainly from the northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 70%. Source: KNMI
From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P24953.php : accessed January 16, 2026), "Abraham Warren Williams (1792-1873)".
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