The Battle of Lexington and Concord was the very first fight of colonists against the British. The first shot of the battle was fired by the British according to the accounts of John Parker and Thomas Fessenden. As John Parke states, the first shot was fired by the British because they were colonists and they were not going to attack first unless they were fired upon first. John states that they fired at them and killed eight of their men. This account is reliable because it is an official testimony, he wouldn 't lie under oath. As Thomas Fessenden states, the first shot was fired by the British because he says that the British soldiers came on horseback and one of them fired at a colonists which made all the British soldiers to fire at them.