Other slave resistance efforts against the French plantation system were more direct. The maroon leader Mackandal led a movement to poison the drinking water of the plantation owners in the 1750s. Boukman declared war on the French plantation owners in 1791, setting off the Haitian Revolution. A statue called the "Le Nègre Marron" or the "Nèg Mawon" is an iconic bronze bust that was erected in the heart of Port-au-Prince to commemorate the role of maroons in Haitian independence.