What was the duration of the Lewis and Clark Expedition?
1228 Days. The Corps of Discovery departed from Camp Dubois at 4pm on May 14, 1804. The expedition returned to St. Louis on September 23, 1806.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What was the duration of the Lewis and Clark Expedition?
### Input: 
### Response: 1228 Days. The Corps of Discovery departed from Camp Dubois at 4pm on May 14, 1804. The expedition returned to St. Louis on September 23, 1806.