As part of the Penn Public Lectures on Classical Antiquity and the Contemporary World, Emily Greenwood, a professor of classics and comparative literature at Harvard, discusses the classicizing mythologization of the Shawnee leader Tecumseh in 19th-century through accounts by white observers, focusing on the interpolation of rhetoric from Thucydides in the transmitted accounts of Tecumseh’s speech to a Choctaw Council in Mississippi in 1811.