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April 19, 1775Reputable sourceWell documented

Lexington and Concord: the Revolution begins

On the timeline · around April 19, 1775 · Lexington and Concord: the Revolution begins175017601770178017901800

What happened

British troops marching to seize colonial arms met militia at Lexington and Concord — "the shot heard round the world."

Why it matters

The war for independence started here, a year before it was declared.

Sources