• Looking up at the Gateway Arch


    National Expansion Memorial Missouri

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  • Pedestrian Access to the Gateway Arch From Downtown

    Pedestrian traffic on the Chestnut, Market St. and Pine St. bridges will be closed. This leaves Walnut St. and Washington Ave. as the Arch grounds points of entry to and from the city. See link for maps. More »

Nineteenth Century Timeline

The Museum of Westward Expansion charts the entire history of the 19th century American West, from the Louisiana Purchase to the closing of the frontier in 1890.

Click on a decade in the list below or at the bottom of each decade page to learn about the major events which shaped this incredible period, an era of major technological improvements, mass migrations, bitter conflicts, and epic exploration.

A broader timeline, with graphics, can also be viewed on the Lewis and Clark website, The Lewis and Clark Journey of Discovery.


Did You Know?

Drawing of Dred Scott from Frank Leslie's Illustrated Newspaper, 1857

In 1846, a slave named Dred Scott sued for his freedom at the St. Louis Courthouse. His case went all the way to the Supreme Court, where the verdict set the stage for the Civil War. Today, the Old Courthouse is part of the Jefferson National Expansion Memorial. Click to learn more about Dred Scott. More...