Fait mathématique: 1340 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 1340 is an unremarkable number.
Date historique: September 1st is the day in 1604 that Adi Granth, now known as Guru Granth Sahib, the holy scripture of Sikhs, was first installed at Harmandir Sahib.