The phrase "The shot heard round the world" is famously associated with the American Revolution, specifically referencing the first gunfire exchanged during the battles of Lexington and Concord on April 19, 1775.

This phrase highlights the importance of the initial conflict, symbolizing the beginning of a revolutionary struggle with worldwide implications. It conveys that the quest for American independence was not merely a local issue rather, it embodied a larger fight against tyranny and oppression. Over time, the phrase has come to represent the revolutionary spirit, capturing the colonists' resolve to attain freedom from British domination.