The United States holds elections every four years on the first Tuesday after the first Monday in November to choose a President. To run for President, one must be at least 35 years old and born in the United States. The two major political parties are the Republicans and Democrats. Some famous US Presidents discussed include George Washington, the first President and "Father of the USA"; Abraham Lincoln, the 16th President who ended slavery; and Franklin D. Roosevelt, the only President elected to more than two terms, who led the country during the Great Depression and World War II.