Ulysses Simpson Originally Hiram Ulysses Grant. 1822-1885
The 18th president of the United States (1869-1877) and a Civil War general. After his victorious Vicksburg campaign (1862-1863), he was made commander in chief of the Union Army (1864) and accepted the surrender of Gen. Robert E. Lee at Appomattox (1865). Grant's two-term presidency was marred by widespread graft and corruption.