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This Day in American History

April 7

1 historic event on this date

Legislation1866

Civil Rights Act of 1866 Passes Over Presidential Veto

Congress overrode President Andrew Johnson's veto to enact the Civil Rights Act of 1866, the first federal law to define U.S. citizenship and affirm that all citizens are equally protected by the law. It was designed to protect the rights of formerly enslaved people.

Why It Matters

This was the first major piece of civil rights legislation in American history, laying the groundwork for the 14th Amendment and establishing the principle that Congress can act to protect individual rights.

Explore the Principles Behind the History

Every event in American history connects to the founding principles. Discover the ideas that shaped these moments.

View the 28 Founding Principles