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José Núñez de Cáceres wins the independence of the Dominican Republic from Spain and names the new territory the Republic of Spanish Haiti.

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José Núñez de Cáceres
Early Dominican independence leader; 1st and only president of Spanish Haiti (1821–22)
José Núñez de Cáceres y Albor was a Dominican revolutionary and writer. Known for being the leader of the first Dominican independence movement against Spain in 1821, his actions preceded the Dominican War of Independence.Source: Wikipedia (CC BY-SA)
Republic of Spanish Haiti
Period of Dominican statehood following the 1st independence from Spain (1821–1822)
The Republic of Spanish Haiti, also called the Independent State of Spanish Haiti was a former unrecognized breakaway state that succeeded the Captaincy General of Santo Domingo after independence was declared on 1 December 1821 by José Núñez de Cáceres. The republic lasted only…Source: Wikipedia (CC BY-SA)
December 1
Day of the year
December 1 is the 335th day of the year in the Gregorian calendar; 30 days remain until the end of the year.Source: Wikipedia (CC BY-SA)