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Providence Plantations refers to the mainland portion of the state, which included Williams's Providence Plantation and Samuel Gortonâs Shawomet Purchase (1642), which was renamed Warwick Plantation. Rhode Island referred to Aquidneck Island, on which the settlements of Portsmouth (1638) and Newport (1639) were established.
In 1663 the name Colony of Rhode Island and Providence Plantations was adopted in the Royal Charter granted by King Charles II of England.