The Nineteenth Century: The Saga of Equestria

The year is 1806. The Corps of Discovery, headed by the legendary explorers Lewis and Clark, is currently holed up in Fort Clatsop. However, their presence in ancient Griffon territory does not go unnoticed. Meanwhile, in Equestria, Celestia and Luna sit comfortably on their thrones. They never could have seen it coming, but the ideas of the West were about to descend on them.