What historic event does the phrase "The shot heard 'round the world" refer to?

The phrase "The shot heard 'round the world" refers to the start of the American Revolution, specifically the battles of Lexington and Concord in April 1775. This phrase captures the significance of the initial conflict between British troops and colonial militias, marking the beginning of open hostilities in a struggle for independence. The actions taken during this confrontation were pivotal, as they represented the colonies' refusal to accept British authority and eventually led to a larger conflict seeking self-governance.

Many in the colonies saw these events as a call to action, igniting a revolutionary spirit that spread beyond the immediate area, influencing others and changing the course of history. This phrase has since symbolized the global impact of the American Revolution, as it not only initiated a war for independence in the United States but also inspired revolutionary movements in other parts of the world. The phrase encapsulates the profound implications that a single moment in history can have, both locally and globally.