Lewis and Clark Expedition Timeline

  • Preparing for the journey

    Lewis started his basic training for the journey and learned to plot latitude and longitude to record the route for the pacific ocean.
  • Start of the journey

    President Jefferson officially sent Lewis on his mission to explore the principle streams, map out routes to the pacific ocean, and gather some geographical information by giving him a “letter of general credit”.
  • Lewis and Clark's expedition

    Clark joined Lewis’s expedition.
  • Volunteers for the Lewis and Clark's expedition

    Lewis and Clark started to gather some volunteers who would like to help them during the journey.
  • Mandan villages & 1600 miles

    Lewis and Clark arrived at the Mandan villages where was 1600 miles away from their starting point.
  • Sacagawea joined the Lewis and Clark's expedition

    Sacagawea who was the only woman on the Lewis and Clark’s expedition joined the Lewis and Clark’s expedition as a Shoshone interpreter. She helped Lewis and Clark to complete their mission by guiding Lewis and Clark to the right way, keeping the journals and records of Lewis and Clark safe and translating the Shoshone language.