Final answer:
Jean-Jacques Dessalines declared Haiti's sovereign independence on January 1, 1804, leading to the redistribution of land and the removal of plantation owners.
Step-by-step explanation:
On January 1st, 1804, Jean-Jacques Dessalines declared Haiti's sovereign independence. After the declaration, White plantation owners either fled or were killed, and lands were redistributed among Haiti's former enslaved and free Black people.