<Tr> <Td> 17 </Td> <Td> April 15, 1865--March 4, 1869 </Td> <Td> </Td> <Td> Andrew Johnson 1808--1875 (Lived: 66 years) </Td> <Td> 16th Vice President of the United States </Td> <Td> </Td> <Td> National Union April 15, 1865--c. 1868 </Td> <Td> Office vacant </Td> </Tr> <Tr> <Td> </Td> <Td> Democratic c. 1868--March 4, 1869 </Td> </Tr> <Tr> <Td> 18 </Td> <Td> March 4, 1869--March 4, 1877 </Td> <Td> </Td> <Td> Ulysses S. Grant 1822--1885 (Lived: 63 years) </Td> <Td> Commanding General of the U.S. Army (1864--1869) (No prior elected office) </Td> <Td> </Td> <Td> Republican </Td> <Td> (1868) 21 (1869) </Td> <Td> Schuyler Colfax March 4, 1869--March 4, 1873 </Td> </Tr> <Tr> <Td> (1872) 22 (1873) </Td> <Td> Henry Wilson March 4, 1873--November 22, 1875 (Died in office) </Td> </Tr>

Who are the presidents of the united states in order