-
Lousinana Purchase
President Thomas Jefferson purchases the Lousiniana Territory from the French leader Napoleon for $15 million. This allows the United States to double in size and begins the period of westward expansion. -
Lewis and Clark Begin their Expedition
After the Lousiana Purchase, Jefferson sent Merriweather Lewis and William Clark on an expedition to explore this new land. Lewis and Clark began this journey at the Missouri River and hope to eventually reach the Pacific Ocean. -
Lewis and Clark End their Expedition
Lewis and Clark complete their expedition and deliever the first detailed descriptions of the new land. -
Indian Removal Act
Congress passes a law to relocate all Native Americans out of their native lands in the Southeast to the lands west of the Missisippi River. -
Attacking the Grizzly Bear
George Catlin completes Attacking the Grizzly Bear -
Valley of the Catawissa in Autumn
Thomas Moran completes Valley of the Catawissa in Autumn. -
Haystacks
Martin Johnson Heade completes Haystacks. -
Pacific Railway Act Passed
Abraham Lincoln signs the Pacific Railway Act that allows the government to support the contstuction of the first transcontinental railroad. -
Westward Expansion Ends
The U.S. government declares theWestern land has been explored and the frontier is closed.
