★ AMERICA 250

American History Timeline

1803: Louisiana Purchase

The United States purchases Louisiana from France, dramatically expanding the nation's territory and future possibilities.

1803 · Chapter 2 · Pages 31-32

Samuel Lewis 1804 map of Louisiana after the Louisiana Purchase
Visual direction: Public-domain 1804 Louisiana map

What Happened

The Louisiana Purchase opened vast questions about geography, sovereignty, Native nations, slavery, settlement, and the shape of the continent. It set the stage for the Lewis and Clark expedition and for generations of debate over expansion.

Why It Matters

This moment helps explain how the United States moved from Atlantic republic to continental power.

Worth Knowing

The purchase covered roughly 828,000 square miles, making it one of the largest land transactions in history.

Where It Fits in the America 250 Book

This story appears in Chapter 2, Pages 31-32, as part of the 160-page landscape collector edition. The book expands timeline moments like this with archival imagery, maps, concise narrative context, and feature spreads designed for browsing and display.

Related Search Topics

Louisiana Purchase timelineLewis and Clarkwestward expansion