Once upon a time, back in 1765 - 1766, The British decide to make a new rule which involved stamps, and it said they also must be paid. Colonists were angry of this nonsense, that the next year, the British banned the law.
In 1770, four colonists died from gunshots fired from the British soldiers in Boston. Colonists referred this event as "The Boston Massacre."
In 1773 in December, colonists dressed up as Native Americans responded to this incident by throwing out imported British tea into the Boston Harbor. It was also to stop the Tea Act.
In 1774 on a cold month of January, a council called the Privy Council yelled at Benjamin Franklin for leaking some important papers, hurting the Royal Governor of Massachusetts. In September of 1774, the First Continental Congress is made in Philadelphia, Pennsylvania.
In 1775, a huge fight of gunshots took place in a place between cities of Lexington and Concord. Minuteman, or people who are the first soldiers to come out, try to push the opposing British soldiers back to Boston. At this time, George Washington, the first president of the Untied States, became leader of the army.
In January of 1776, a famous author named Thomas Paine made a book called "Common Sense". It not only was a big seller in stores to colonists, it also pushed America as a whole to have more force to be free from British.
On the month of July in 1776, redcoats, referred to as British soldiers, come to New York harbor to try to stop the people who were giving trouble and crushing it.
In December 26, 1776, George Washington crossed the Delaware River and captured a force in Trenton, New Jersey called a Hessian.
On the great day of July 4, 1776, Thomas Jefferson's famous Declaration of Independence was agreed to by the Congress.