UnconquerableUnconquerable is John Milton Oskisons biography of John Ross, written in the 1930s but unpublished until now. John Ross was principal chief of the Cherokees from 1828 to his death in 1866. Through the story of John Ross, Oskison also tells the story of the Cherokee Nation through some of its most dramatic events in the nineteenth century: the nations difficult struggle against Georgia, its forced removal on the Trail of Tears, its internal