The American Revolution took place between 1765 and 1783.
Source: http://www.history.com/topics/american-revolution/boston-tea-party
The Townshend Acts imposed duties on glass, lead, paints, paper, and tea imported into the colonies.
Source: "A Summary of the 1765 Stamp Act." Colonial Williamsburg . The Colonial Williamsburg Foundation, 2015. Web. 10 May 2015. .