Patricia10 By balboa2 Jan 1, 1636 Rhode Island is founded by Roger Williams in 1636 Roger Williams founded Rhode Island in 1636 Period: Jan 1, 1636 to Dec 31, 1778 rhode island colony Aug 8, 1643 Rhode Island obtains its first royal charter. Nov 29, 1647 Rhode Island's first general assembly is formed. Jul 23, 1663 Great Britain gives another charter to Rhode Island. Oct 24, 1696 A ship of slaves is brought to Rhode island and has been sold. Nov 24, 1765 Rhode Island is apart of the Stamp Act congress. Jun 1, 1790 Rhode Island is now the last of the 13 original colonies by the U.S. government.