TIMELINE OF SACAGAWEA'S LIFE:

1788-1790: Sacagawea was born

1799-1801: Sacagawea was captured by the Hidatsas

1804: Sacagawea joined Meriwether Lewis and William Clark to explore with them

February 1805: Sacagawea gives birth to her son named Jean Baptiste Charbonneau (also known as "Pomp")

Spring 1805: The Lewis & Clark expedition leaves its winter camp

May 14, 1805: A storm makes all of Sacagawea's valuable belongings fall off-board, but she takes action and saves them.

June 3, 1805: The expedition reaches the Marias River.

August 11, 1805: The expedition sights a Shoshone man for the first time

August 18, 1805: Sacagawea helps Lewis and Clark trade for Shoshone horses

September 1806: Lewis and Clark and Sacagawea Expedition reaches St. Louis

December 20, 1812: Sacagawea dies