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15th
James Buchanan
1857-1861
16th
Abraham Lincoln
1861-1865
17th
Andrew Johnson
1865-1869
18th
Ulysses S. Grant
1869-1877
19th
Rutherford Birchard Hayes
1877-1881
20th
James Abram Garfield
1881-1881
21st
Chester Alan Arthur
1881-1885