January 1 » American Revolutionary War: One thousand five hundred soldiers of the 6th Pennsylvania Regiment under General Anthony Wayne's command rebel against the Continental Army's winter camp in Morristown, New Jersey in the Pennsylvania Line Mutiny of 1781.
January 17 » American Revolutionary War: Battle of Cowpens: Continental troops under Brigadier General Daniel Morgan defeat British forces under Lieutenant Colonel Banastre Tarleton at the battle in South Carolina.
April 29 » American Revolutionary War: British and French ships clash in the Battle of Fort Royal off the coast of Martinique.
September 5 » Battle of the Chesapeake in the American Revolutionary War: The British Navy is repelled by the French Navy, contributing to the British surrender at Yorktown.
September 28 » American Revolution: American forces backed by a French fleet begin the siege of Yorktown.
November 29 » The crew of the British slave ship Zong murders 133 Africans by dumping them into the sea to claim insurance.
Day of death December 20, 1868
The temperature on December 20, 1868 was about 0.5 °C. There was 0.1 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 100%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
January 3 » Meiji Restoration in Japan: The Tokugawa shogunate is abolished; agents of Satsuma and Chōshū seize power.
June 10 » Mihailo Obrenović III, Prince of Serbia is assassinated.
July 9 » The 14th Amendment to the United States Constitution is ratified, guaranteeing African Americans full citizenship and all persons in the United States due process of law.
September 23 » Grito de Lares ("Lares Revolt") occurs in Puerto Rico against Spanish rule.
November 2 » Time zone: New Zealand officially adopts a standard time to be observed nationally.
December 10 » The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
When copying data from this family tree, please include a reference to the origin: G. de Roller, "De Roller Stamboom", database, Genealogy Online (https://www.genealogieonline.nl/de-roller-stamboom/I3422.php : accessed March 10, 2026), "Petrus Johannes Theodorus van Hamel (1781-1868)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.