Bunker Hill Day marks the anniversary of the Battle of Bunker Hill (also known as the Battle of Breed's Hill), on June 17 each year. This battle, which occurred in 1775, was part of the Siege of Boston. This siege took place during the American Revolutionary War, which is also known as the American War of Independence.

This legendary order has come to symbolize the conviction and determination of the ill-equipped American colonists facing powerful British forces during the famous battle fought on this site on June 17, 1775. The battle is popularly known as The Battle of Bunker Hill although most of the fighting actually took place on Breed's Hill, the site of the existing monument and exhibit lodge. Today, a 221-foot granite obelisk marks the site of the first major battle of the American Revolution.

The Battle of Bunker Hill pitted a newly-formed and inexperienced colonial army against the more highly trained and better-equipped British. Despite the colonial army's shortcomings, it was led by such capable men as Colonel William Prescott, Colonel John Stark and General Israel Putnam, who had experience fighting alongside the British in the French and Indian War. Although the British Army ultimately prevailed in the battle, the colonists greatly surprised the British by repelling two major assaults and inflicting great casualties. Out of the 2,200 British ground forces and artillery engaged at the battle, almost half (1,034) were counted afterwards as casualties (both killed and wounded). The colonists lost between 400 and 600 combined casualties, including popular patriot leader and newly-elected Major-General Dr. Joseph Warren, who was killed during the third and final assault.

God Bless America!