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This Day in American History

May 5

1 historic event on this date

Founding1789

First Session of the U.S. Senate Achieves a Quorum

The U.S. Senate achieved its first quorum at Federal Hall in New York City, with Vice President John Adams presiding. With both chambers now operational, the first Congress could proceed with organizing the new government under the Constitution.

Why It Matters

The convening of the Senate completed the establishment of the bicameral legislature designed by the framers, balancing the interests of states and the people in the lawmaking process.

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