On This Day: April 4th
Annotation:1818: Congress adopts the US flag with13 red and white stripes and a star for each state.
Annotation:1968 : Martin Luther King Jr. was assassinated at the age of 39.
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Annotation:Continue your historical explorations with American History Online. This database spans more than 500 years of political, military, social, and cultural history, highlighting the important people and events of the American experience.