 In May 1760, Tacky, a slave overseer on the Frontier plantation in Saint Mary Parish, led a group of enslaved Africans in taking over the Frontier and Trinity plantations while killing their enslavers.They then marched to the storeroom at Fort Haldane, where the munitions to defend the town of Port Maria were kept.After killing the storekeeper, Tacky and his men stole nearly 4 barrels of gunpowder and 40 firearms with shot, before marching on to overrun the plantations at Heywood Hall and Esher.