Original sentence: Uruguayan Air Force Flight 571, also known less formally as the Andes flight disaster, was a chartered airline flight carrying 45 rugby team members and associates that crashed in the Andes on Friday the 13th of October, 1972
Edited sentence: Uruguayan Air Force Flight 571, also known less formally as the Andes flight disaster, was a chartered airline flight carrying 45 rugby team members and associates that crashed in the Andes on  13 October, 1972, a Friday