On this day 250 years ago in Boston, Dr. Joseph Warren presented a draft of the Solemn League and Covenant to the Boston Committee of Correspondence. Warren and Sam Adams probably drafted the document. The Solemn League and Covenant was a proposed pledge to be circulated to committees of correspondence of towns in Massachusetts and in other colonies that would commit them to

suspend all commercial intercourse with . . . Great Britain, until the said act for blocking up the said harbour be repealed, and a full restoration of our charter rights be obtained

Source: https://www.americanhistorycentral.com/entries/solemn-league-and-covenant-1774/