Nina Simone's birthday was May 11th

Created by KnaveOfAllTrades on 2015-03-30; known on 2015-03-30; judged wrong by KnaveOfAllTrades on 2015-03-30.

• KnaveOfAllTrades estimated 15% on 2015-03-30
• KnaveOfAllTrades   judged this prediction wrong on 2015-03-30.