History and Culture:
The east one-third of Gregory County was settled in 1892, but the west section remained part of the Great Sioux Nation until 1904. Fort Randall, Lewis and Clark, Native American sites . . . With such a rich and accessible history, you can discover magic around each corner. Spend an hour or a day, and still come back next year for more.
| South Dakota Timeline courtesy South Dakota Historical Society | Gregory County Timeline |
| Gregory County | Scissons dugout restaurant on Whetstone Agency | Rosebud Agency |
| Lewis and Clark in Gregory County -- 1804 | Battle of Bonesteel | |
| Dallas Business Directory 1909 |