[3] In 1774, he became a charter member of the Providence Grenadiers militia unit, and until 1776 he commanded a company with the rank of captain.

[4] In 1776, Arnold was elected to the Rhode Island General Assembly, where he authored the May Act that repealed the requirement for government officials and militia officers to swear an oath of allegiance to England.

[3] While he was a member of Congress, the body voted in secret to arrest Luke Knowlton and Samuel Wells of Brattleboro in the Vermont Republic on suspicion of communicating with the British in Canada.

[6] Arnold was accused of warning Knowlton and Wells prior to their arrests, which he denied, but fellow members of Congress including James Madison did not believe his denial.

[9] While living in Vermont, Arnold also obtained charters for the towns of Bestbury (now Lyndon), Burke, and Billymead (now Sutton).

[24] His great-great-grandson Theodore Francis Green served as Rhode Island's governor and as a United States Senator.