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This Day in American History

August 10

1 historic event on this date

Legislation1846

Smithsonian Institution Established

President James K. Polk signed legislation creating the Smithsonian Institution, funded by a bequest from British scientist James Smithon "for the increase and diffusion of knowledge." The Smithsonian would grow into the world's largest museum and research complex.

Why It Matters

The Smithsonian represents the democratic ideal that knowledge and culture should be freely accessible to all citizens, serving as the nation's repository of history, science, and art.

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