The first English Civil War (ECW), also called by the common people "War of the 'fords", after the leaders of the most important groups, the Staffords and the Cliffords, took place during the years 1633-47. In 1633, uprisings against the unpopular king Henry VI started, which marked the begin of the first English Civil War. In the years 1633-50, Welsh uprisings took place. Some were expelled to Atlantis, settled mostly around Boston. The war ended in 1647 when the Duke of Stafford became new king Humphrey I of England, after defeating and killing his opponent, William of Clifford.