Claim: J. K. Rowling was born on the 31st.
Evidence: Joanne Rowling , -LRB- -LSB- ˈrəʊlɪŋ -RSB- born 31 July 1965 -RRB- , pen names J. K. Rowling and Robert Galbraith , is a British novelist , screenwriter and film producer best known as the author of the Harry Potter fantasy series.