When were the Committees of Correspondence formed?

According to Wikipedia, the committees of correspondence were bodies organized by the local governments of the Thirteen Colonies before the American Revolution for the purposes of coordinating written communication outside of the colonies. These served an important role in the Revolution, by disseminating the colonial interpretation of British actions between the colonies and to foreign governments. The committees of correspondence rallied opposition on common causes and established plans for collective action, and so the group of committees was the beginning of what later became a formal political union among the colonies.

The earliest Committees of Correspondence were formed temporarily to address a particular problem. Once a resolution was achieved, they were disbanded. The first formal committee, established in Boston in 1764 to rally opposition to the Currency Act and unpopular reforms imposed on the customs service. they were found in the late 1963 nfl scoluts