August 11, 1467 - Birth of Mary of York, younger sister to Elizabeth of York. She died when she was 15, a year before her father, Edward IV.
August 11, 1587 - Walter Raleigh's second expedition to the New World landed in North Carolina.
August 11, 1597 - Hamnet Shakespeare, William Shakespeare's only son, died in Stratford-upon-Avon of unknown causes. He was eleven.