- Sacagawea played an indispensable role as interpreter, guide & diplomat for the Lewis & Clark Expedition (1804–1806). A teenage Lemhi Shoshone mother (w/her son her back), she helped navigate 1000s of miles from N. Dakota to the Pacific Ocean & back. #NativeAmerican #history She died #OTD in 1812.Dec 21, 2025 00:08