CHARLESTOWN — The most consequential battle of the American Revolution is named for the wrong hill, remembered for an order that was probably never given, and classified as a defeat for the side that gained more from losing it than the victors gained from winning. The Battle of Bunker Hill, fought on June 17, 1775 — two months after Lexington and Concord and eight days after the Continental Congress appointed George Washington to command an army that did not yet formally exist — was a collision of errors, improvisation, and extraordinary violence that killed and wounded more British soldiers in three hours than any other engagement of the war.
The battle was fought on Breed’s Hill, not Bunker Hill. The colonial fortification was built on the wrong position. The British assault plan was a frontal attack against entrenched defenders, the most expensive tactical option available. And the colonial defense, which repelled two full-scale infantry assaults before collapsing when ammunition ran out, demonstrated a military capacity that neither the British command nor the colonial leadership had believed existed. Every fact about Bunker Hill contradicts a comfortable assumption, and the contradictions are the reason the battle matters.
The Decision to Fortify
The strategic situation in June 1775 was a stalemate bordering on absurdity. Approximately fifteen thousand colonial militia surrounded Boston in a loose semicircle stretching from Roxbury through Cambridge to Charlestown. Approximately six thousand British regulars held the city and its harbor. Neither side had attacked the other since April 19. The militia lacked the artillery and training to assault a fortified city. The British lacked the manpower to break out against a force that outnumbered them nearly three to one.
The Committee of Safety, the executive body directing the colonial military effort until Washington could arrive, decided to break the stalemate by fortifying the Charlestown peninsula — a narrow neck of high ground across the harbor from Boston that overlooked the city and the anchorage. The orders specified Bunker Hill, the taller of two prominent hills on the peninsula, at 110 feet above sea level. Bunker Hill was the defensible choice: farther from the harbor, connected to the mainland by a narrow neck that could serve as a retreat corridor, and high enough to make a frontal assault prohibitively costly.
Colonel William Prescott of Pepperell, commanding approximately 1,200 men, crossed the Charlestown Neck after dark on June 16 and — in a decision that has been debated by military historians for two and a half centuries — chose to fortify Breed’s Hill instead. Breed’s Hill was lower, at 62 feet, and closer to the harbor. It was also closer to Boston, which meant that cannon placed on its summit could directly threaten British shipping and the city’s waterfront. Prescott apparently judged the offensive advantage worth the defensive risk. The men began digging at midnight.
The Redoubt
What Prescott’s men built in six hours of darkness was a fortification approximately 130 feet square, with earthen walls six feet high and a firing step that allowed defenders to shoot over the parapet while remaining protected below it. The redoubt was not elegant, but it was functional — a testament to the agricultural labor that had conditioned these men’s bodies for exactly this kind of sustained physical work. When dawn broke on June 17 and the British lookouts on Copp’s Hill in Boston saw the fresh earthworks on Breed’s Hill, they were looking at a position that had not existed twelve hours earlier.
The British response was immediate. HMS Lively opened fire on the redoubt at first light. The battery on Copp’s Hill joined the bombardment. The cannonade was spectacular and largely ineffective — naval guns firing uphill at earthen fortifications produce noise and terror but limited structural damage. The bombardment did, however, establish the psychological conditions under which the colonial troops would spend the next eight hours: under continuous fire, without relief, without water, and with diminishing ammunition.
General William Howe, commanding the British assault force, chose a direct frontal attack. This decision has been criticized by every military analyst who has examined it, but Howe’s reasoning was not irrational. He believed — based on the professional army’s experience with colonial militia at Lexington — that militia would not stand against a disciplined bayonet charge. He believed that a flanking movement through Charlestown would consume time the tides did not allow. And he believed that a decisive frontal victory would shatter colonial morale so completely that the siege of Boston would collapse. He was wrong on all three counts.
The Assault
Howe landed approximately 2,200 troops on the Charlestown beach in the early afternoon. The assault force was organized into two wings: Howe himself commanding the right wing against the rail fence and breastwork that extended from the redoubt toward the Mystic River, and Brigadier General Robert Pigot commanding the left wing against the redoubt itself.
The first assault began at approximately three o’clock. The British infantry advanced uphill in formation, carrying full packs weighing approximately sixty pounds, through tall grass and over rail fences that broke their lines. The colonial defenders waited. The order to hold fire until the whites of their eyes were visible may or may not have been given — the phrase appears in no contemporary account and first surfaces decades after the battle — but the tactical reality it describes was genuine. Prescott and his officers controlled their men’s fire until the British lines were within fifty yards.
The volley was devastating. The concentrated musket fire at close range tore through the advancing ranks with an effect that stunned officers who had fought in European campaigns. The British fell back. They reformed. They advanced again. The second assault followed the same pattern: disciplined advance, controlled colonial fire at close range, staggering casualties, withdrawal. The grass on the slope of Breed’s Hill was, by the accounts of men who survived both assaults, slippery with blood.
The third assault succeeded because the colonial defense had a structural deficiency that no amount of courage could remedy: ammunition. The defenders had carried their own powder and ball to the fortification. There was no resupply system, no ammunition reserve, no logistics train. By the third assault, many defenders were down to their last rounds. Some were loading their muskets with nails and stones. When the British infantry crested the parapet of the redoubt on the third try, the fighting became hand-to-hand — bayonets against musket butts, because most colonial muskets were not fitted with bayonets. Prescott ordered the withdrawal. The retreat through Charlestown Neck, under fire from British ships, cost additional casualties, including the death of Dr. Joseph Warren, the Committee of Safety chairman who had dispatched Revere and Dawes two months earlier and who had come to Breed’s Hill as a volunteer.
The Cost
The British took the hill. They paid for it with 226 dead and 828 wounded — a casualty rate exceeding 40 percent. Among the dead and wounded were 89 officers, a rate of officer casualties so disproportionate that it crippled the command structure of the Boston garrison for months. Major Pitcairn, who had commanded the advance guard at Lexington, was killed. Howe himself was slightly wounded and had every member of his personal staff killed or wounded around him. The experience marked Howe permanently. For the remainder of the war, he displayed a caution in the face of entrenched colonial positions that his critics attributed to the memory of Breed’s Hill.
Colonial casualties were approximately 115 killed and 305 wounded — severe, but a fraction of the British losses. The disparity was a function of the fortification: men behind earthen walls firing downhill at men advancing in the open will inflict disproportionate casualties in every era of warfare. The lesson was not new. What was new was that colonial militia had delivered it against professional British infantry.
General Henry Clinton, who observed the battle from Copp’s Hill, wrote in his diary that evening a sentence that has become the engagement’s epitaph: “A dear-bought victory; another such would have ruined us.” The British had taken a hill they could not hold — the peninsula was too exposed to be strategically useful — at a cost that consumed a significant portion of the experienced infantry available for operations in North America.
The Strategic Transformation
The Battle of Bunker Hill was a tactical British victory and a strategic colonial triumph. The strategic consequences operated on three levels.
The first was military. The engagement proved that colonial troops, properly fortified and competently led, could stand against British regulars. This was not obvious before June 17. The militia performance at Lexington — where Parker’s company scattered after a single volley — had reinforced the British assumption that colonial forces would not hold under pressure. Breed’s Hill obliterated that assumption. The colonial defenders had held through two full frontal assaults and withdrawn only when they had nothing left to fire. Washington, arriving in Cambridge two weeks later to take command, inherited an army that knew it could fight.
The second was political. The casualty figures from Bunker Hill reached London in August and produced a shock that altered the parliamentary debate. The war had been expected to be short, cheap, and decisive. The loss of more than a thousand regulars in a single engagement — including a ruinous proportion of officers — demonstrated that the colonial conflict would be none of those things. The political constituency in Parliament that had advocated for accommodation with the colonies was strengthened. The constituency that had advocated for force was confronted with the cost.
The third was psychological, and it operated on both sides. The British officer corps never entirely recovered from the experience of watching their best troops broken by colonial fire on a hillside in Charlestown. The colonial forces never forgot that they had stood. The men who fought at Breed’s Hill became the nucleus of the Continental Army’s identity — the proof that the Revolution was not an abstraction debated in Philadelphia but a physical reality defended with blood on the hills of Massachusetts.
The monument that stands on Breed’s Hill today — a 221-foot granite obelisk completed in 1843, the tallest in America until the Washington Monument was finished in 1884 — is called the Bunker Hill Monument. It is built on the wrong hill and named for the wrong hill, and it commemorates a battle that the men it honors technically lost. None of that matters. What matters is what the men who survived it knew when they walked off the peninsula on the evening of June 17, 1775: that they could fight, and that the Empire knew it too.
Related Coverage
The military engagements that preceded Bunker Hill by two months — the running battle from Lexington Green to Concord’s North Bridge — are examined at thecommonwealthtimes.com/article/lexington-concord-april-19-1775-revolutionary-war.
Five years before the shooting began, the Boston Massacre on King Street established the propaganda framework that Samuel Adams used to build the revolutionary movement. That account is at thecommonwealthtimes.com/article/boston-massacre-king-street-1770-crispus-attucks.
The United States Times covers the Continental Army that Washington built from the militia forces that fought at Breed’s Hill in its National pillar at theunitedstatestimes.com/pillar/national.