Fatto matematico: 1948 is the number of 4×4 sliding puzzle positions that require exactly 10 moves to solve starting with the hole in a corner.
Trivia: 1948 is an unremarkable number.
Data storica: May 1st is the day in 1987 that Pope John Paul II beatifies Edith Stein, a Jewish-born Carmelite nun who was gassed in the Nazi concentration camp at Auschwitz.