About Abby Sunderland
Abigail Jillian Sunderland is an American sailor who, in 2010, attempted to become the youngest person to sail solo around the world. Her brother, Zac Sunderland, was the first person under the age of 18 to complete a circumnavigation. On March 31, 2010, Sunderland rounded Cape Horn—the southernmost point of South America—making her the youngest solo sailor to do so.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.