Fatto matematico: 964 is the number of 3×3 sliding puzzle positions that require exactly 12 moves to solve starting with the hole in the center.
Trivia: 964 is a boring number.
Data storica: August 21st is the day in 2001 that the Red Cross announces that a famine is striking Tajikistan, and calls for international financial aid for Tajikistan and Uzbekistan.