The document provides information about key events and people during the Revolutionary War. It discusses how Ethan Allen and the Green Mountain Boys captured Fort Ticonderoga and seized cannons for George Washington. It also describes how Henry Knox transported those heavy cannons across snow to help force the British out of Boston. Finally, it outlines Washington's surprise attack on the Hessian mercenaries in Trenton on Christmas night 1776, which captured the town and nearly 1,000 prisoners and provided a boost of hope for the Americans.