The Lewis and Clark Expedition Across Missouri

Historical marker location:
28 East Grand Avenue, Saint Louis, Missouri
( Marker can be reached from St. Louis Riverfront Trail just south of East Prairie Avenue, on the right when traveling south.)

  A brief timeline of the Lewis and Clark Expedition
  • 1803: President Thomas Jefferson commissions Meriwether Lewis, his personal secretary, to lead an expedition to explore the western territories of the United States and find a practical route to the Pacific Ocean.
  • 1804: Lewis meets up with William Clark, a former army officer and experienced explorer, in Kentucky. They assemble a team of over 30 men and set out on the journey up the Missouri River.
  • 1805: The expedition reaches the Rocky Mountains and crosses the Continental Divide. They build Fort Clatsop on the Pacific coast and spend the winter there, before returning east in the spring of 1806.
  • 1806: Lewis and Clark split up to explore different routes on their way back to St. Louis. They reunite in September and return to civilization, where they are celebrated as national heroes.
  • 1807: The Lewis and Clark Expedition publishes an official account of their journey, called the "History of the Expedition Under the Command of Captains Lewis and Clark," which becomes a bestseller and helps to promote westward expansion.
The Lewis and Clark Expedition was a significant event in the history of the United States, as it helped to expand the country's knowledge of its western territories and paved the way for future settlement and exploration of the region.
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The state of Missouri was the birthplace of the ice cream cone. It was invented by a Syrian immigrant named Ernest Hamwi who was selling waffles at the 1904 World's Fair in St. Louis. When an ice cream vendor ran out of dishes, Hamwi rolled up one of his waffles to hold the ice cream and the ice cream cone was born.