The Siege of Boston, one of the first prolonged military actions after the Battles of Lexington and Concord in the spring of 1775, pitted American forces against General Thomas Gage's British troops concentrated in Boston. The siege, in conjunction with several important battles including that of Bunker [Breed's] Hill, ultimately led to the British withdrawal from Boston to Halifax in March 1776. A similar powder with comparable sparse engraving and scalloped decoration at the smaller bone edge is almost identically engraved, "Jonathan Goff his Horn Made at Roxbury Oct[---] AD 1775," and is illustrated in William H. Guthman, Drums A'Beating, Trumpets Sounding: Artistically Carved Powder Horns in the Provincial Manner, 1746 - 1781 (Hartford, 1993), fig. 72, p. 162.