1. Singing "Amazing Grace" during the eulogy for the Rev. Clementa Pinckney.
2. Hosting the first-ever White House "camp-out."
3. Marching across the Edmund Pettus Bridge to mark the 50th anniversary of the Selma to Montgomery civil rights protests.
4. Doing a traditional Yup'ik dance in Dillingham, Alaska.
5. Getting a good laugh during Halloween at the White House.
6. Taking a selfie with the United States Women's National Soccer Team.
7. Meeting the winners of the STEM (science, technology, engineering and math) competitions from across the country.
8. Telling a good joke at the White House Correspondents' Association Gala.
9. Awaiting the arrival of Chinese President Xi Jinping and Madame Peng Liyuan for a state dinner at the White House.
10. Awarding the Medal of Honor to retired U.S. Army Captain Florent "Flo" Groberg.
11. The late-night television appearances.
Obama talks with Jimmy Kimmel during a taping of Jimmy Kimmel Live on March 12 (left) and joins David Letterman on the Late Show With David Letterman in New York on May 4 (right).