Louisiana Purchase: Timeline

1803   Monroe James Monroe

James Monroe was the fifth President of the United States [i] , whose administration was marked by the ... 

 and Livingston sail for Paris Paris

native_name = Ville de Paris |common_name = Paris ... 

 to discuss, and possibly buy, New Orleans. They end completing the Louisiana Purchase.

1803   Louisiana Purchase made by the United States United States

The United States of America, also known as the United States, the U.S., the U.S.A., a... 

 from France France

France, officially the French Republic, is a country [i] whose metropolitan territory [i] ... 

.

1803   The Louisiana Purchase is announced to the American people.

1803   Senate ratifies the Louisiana Purchase Treaty, doubling the size of the United States.

1803   At the Cabildo building in New Orleans, Spanish Spain

Spain, officially the Kingdom of Spain , is a Europe [i]an parliamentary monarchy [i]. ... 

 representatives Governor Manuel de Salcedo and the Marqués de Casa Calvo, officially transfer Louisiana Territory Louisiana Territory

Louisiana Territory was a historic, organized territory [i] of the United States [i] from July 4 [i], 1805 [i] ... 

 to French France

France, officially the French Republic, is a country [i] whose metropolitan territory [i] ... 

 representative Prefect Pierre Clément de Laussat (just 20 days later, France had transferred the same land to the United States United States

The United States of America, also known as the United States, the U.S., the U.S.A., a... 

 as the Louisiana Purchase).

1804   Louisiana Purchase: In St. Louis St. Louis, Missouri

St. Louis , sometimes written Saint Louis, encompasses an independent city [i] in the U.S. state [i] ... 

, a formal ceremony is conducted to transfer ownership of Louisiana Territory Louisiana Territory

Louisiana Territory was a historic, organized territory [i] of the United States [i] from July 4 [i], 1805 [i] ... 

 from France France

France, officially the French Republic, is a country [i] whose metropolitan territory [i] ... 

 to the United States United States

The United States of America, also known as the United States, the U.S., the U.S.A., a... 

.

1804   Lewis and Clark Expedition Lewis and Clark Expedition

The Lewis and Clark expedition was the first United States [i] overland expedition to the Pacific [i] ... 

: The "Corps of Discovery", whose purpose is to explore the Louisiana Purchase, suffers its only death when Sergeant Charles Floyd dies, apparently from acute appendicitis.

1806   After traveling through the Louisiana Purchase and reaching the Pacific Ocean Pacific Ocean

The Pacific Ocean is the world's largest body of water [i]. ... 

, explorers Lewis and Clark and their "Corps of Discovery" begin their journey home.