The President of the United States was the head of government for the United States. The office of President of Earth was descended from the United States presidency.
Former President Richard M. Nixon.
List of Presidents of the United States[]
1. George Washington
2. John Adams
3. Thomas Jefferson
4. James Madison
5. James Monroe
6. John Quincy Adams
7. Andrew Jackson
8. Martin Van Buren
9. William Henry Harrison
10. John Tyler
11. James K. Polk
12. Zachary Taylor
13. Millard Fillmore
14. Franklin Pierce
15. James Buchanan
16. Abraham Lincoln
17. Andrew Johnson
18. Ulysses S. Grant
19. Rutherford B. Hayes
20. James A. Garfield
21. Chester A. Arthur
22. Grover Cleveland (2 non-consecutive terms)
23. Benjamin Harrison
24. William McKinley
25. Theodore Roosevelt
26. William Howard Taft
27. Woodrow Wilson
28. Warren Harding
29. Calvin Coolidge
30. Herbert Hoover
31. Franklin D. Roosevelt
32. Harry S. Truman
33. Dwight D. Eisenhower
34. John F. Kennedy
35. Lyndon B. Johnson
36. Richard Nixon
37. Gerald Ford
38. Jimmy Carter
39. Ronald Reagan
40. George H. W. Bush
41. Bill Clinton
42. George W. Bush
43. Barack Obama
44. Donald Trump (2 non-consecutive terms)
45. Joe Biden