How did Battle of Bunker Hill happened?

The Battle of Bunker Hill occurred on June 17, 1775, during the early stages of the American Revolutionary War. Tensions escalated after the Battles of Lexington and Concord, prompting colonial forces to fortify Breed's Hill and Bunker Hill near Boston. British troops launched an assault to reclaim control, leading to a fierce confrontation. Despite ultimately retreating, the colonial forces inflicted significant casualties on the British, demonstrating their resilience and determination.