traditionally delineated as two epochs: pre-hijra (emigration) in Mecca , a city in northern Arabia , from the year 570 to 622, and post-hijra in Medina , from 622 until his death in 632. All but two of his marriages were contracted after the Hijra (migration to Medina). http://en.wikipedia.org/wiki/Digambara http://en.wikipedia.org/wiki/Muhammad%27s_wives HARAMI