the world > time > relative time > the past > historical period > [noun] > other historical periods > of other cultures (2)
The flight of Muhammad from Mecca to Medina in 622 a.d., from which the Muslim chronological era is reckoned; hence, this era.
attributive. In Indian chronology, pertaining to or designating an era traditionally beginning with a victory of King Vikramāditya over the Śaka…