PRESIDENTES DE LOS ESTADOS UNIDOS
1 George Washington, 1789-1797
6 John Quincy Adams, 1825-1829
9 William Henry Harrison, 1841
13 Millard Fillmore, 1850-1853
18 Ulysses Simpson Grant, 1869-1877
19 Rutherford Birchard Hayes, 1877-1881
21 Chester Alan Arthur, 1881-1885
22 Grover Cleveland, 1885-1889
23 Benjamin Harrison, 1889-1893
24 Grover Cleveland, 1893-1897
25 William McKinley, 1897-1901
26 Theodore Roosevelt, 1901-1909
27 William Howard Taft, 1909-1913
29 Warren Gamaliel Harding, 1921-1923
31 Herbert Clark Hoover, 1929-1933
32 Franklin Delano Roosevelt, 1933-1945
34 Dwight David Eisenhower 1953-1961
35 John Fitzgerald Kennedy, 1961-1963
36 Lyndon Baines Johnson, 1963-1969
37Richard Milhous Nixon, 1969-1974
38 Gerald Rudolph Ford, 1974-1977
39 James Earl Carter, Jr., 1977-1981
40 Ronald Wilson Reagan, 1981-1989
41 George Herbert Walker Bush, 1989-1993
42 William Jefferson Clinton, 1993-1999
43 George Bush (hijo), 2001- 2009
44 Barack Obama, 2009 -