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This Day in American History

April 1

1 historic event on this date

Founding1789

First U.S. House of Representatives Achieves a Quorum

The U.S. House of Representatives achieved its first quorum in New York City, allowing the new Congress to begin conducting business under the Constitution. Frederick Muhlenberg of Pennsylvania was elected as the first Speaker of the House.

Why It Matters

This moment marked the beginning of the legislative branch as a functioning institution, establishing the people's direct voice in the new constitutional government.

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