At the Battle of Bunker Hill, British forces suffered significant casualties, with approximately 25% of their troops either killed or wounded.

This percentage illustrates the fierce combat and the success of American defensive strategies. The British forces, approximately 2,400 strong, confronted a strongly fortified American militia on Breed's Hill, leading to a devastating loss of life. The significant casualty figures alarmed British leaders and underscored the tenacity and resolve of the colonial troops. This battle marked a pivotal moment, demonstrating that the American Revolution would prove to be more difficult than expected, leading British commanders to reevaluate their tactics for the future.