The original events included foot races, chariot races, and discus.

America holds the record with 2,406, followed by Russia (1,528), Germany (1,305), and Great Britain (779).

Phelps has won a staggering 18 gold Olympic medals over his career, twice as many as anyone else.

It's been a while.

In Bejing, Bolt took gold in the 100 meter, 200 meter, and 4 x 100 meter relay. Four years later, he did it again in London.

American gymnast McKayla Maroney became famous for her "not impressed" face, which President Obama imitates here.

African American athlete Owens won more gold medals than any other athlete that year, a powerful counterpoint to the Nazi claims of racial superiority.

The American team doesn't dip their flag for anyone, not even the President of the United States.