10h 45min, jul 25, 1806 y - July 25, 1806
Description:
Near present-day Billings, Montana, Clark names a sandstone outcropping Pompy's Tower, after sacagawea's son, nicknamed Little Pomp. On the rock face Clark enscribes his name and the date.
Added to timeline:
Date:
10h 45min, jul 25, 1806 y
Now
~ 220 years ago