Jean Pierre Boyer
JeanPierre Boyer was one of the leaders of the Haitian Revolution, and President of Haiti from 1818 to 1843. He reunited the north and south of Haiti in 1820 and also occupied and took control of Santo Domingo, which brought all of Hispaniola under one government by 1822. Boyer managed to rule for the longest period of time of any of the revolutionary leaders of his generation.
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Source: Wikipedia