The initials A.H.
stand for Anno Hegirae
, Latin for "Year of the Hegira" (or Hijrah
). The Muslim calendar dates from the Hijrah
, the event in 622 A.D. when Muhammad
fled persecution in Mecca to a safe haven in Medina. While western scholarship uses A.D.
, documents from the Middle East may be dated using the A.H.
system of reckoning.
began ruling Andalusia in southern Spain in A.H.
401 (A.D. 1023).