Claudette Colvin was a brave civil rights activist who made history in 1955 when she refused to give up her seat on a segregated bus in Montgomery, Alabama. Her courageous act of defiance, nine months before Rosa Parks' famous protest,
From Wikipedia
Claudette Colvin was an American pioneer of the 1950s civil rights movement and nurse aide. On March 2, 1955, she was arrested at the age of 15 in Montgomery, Alabama, for refusing to give up her seat to a white woman on a crowded, segregated bus. It occurred nine months before the similar, more widely known incident in which Rosa Parks, secretary of the local chapter of the National Association for the Advancement of Colored People (NAACP), helped spark the 1955 Montgomery bus boycott.