Unita Blackwell, American civil rights activist and politician (born 1933)

Unita Zelma Blackwell was an American civil rights activist who was the first African-American woman to be elected mayor in the U.S. state of Mississippi. Blackwell was a project director for the Student Nonviolent Coordinating Committee (SNCC) and helped organize voter drives for African Americans across Mississippi. She was also a leader of the US–China Peoples Friendship Association, a group dedicated to promoting cultural exchange between the United States and China. She also served as an advisor to six US presidents: Lyndon Johnson, Richard Nixon, Gerald Ford, Jimmy Carter, Ronald Reagan, and Bill Clinton.

May 13 is the 133rd day of the year in the Gregorian calendar; 232 days remain until the end of the year.