Postage stamps and postal history of Cyrenaica and Fezzan were united as the Italian colony of Libya. Stamps of colonial Cyrenaica were inscribed "Cirenaica" and printed at the Italian Government Printing Works. British stamps overprinted M.E.F. (Middle East Forces) were used from 1943 to 1948 after the area was captured by the British during World War II. From 1 July 1948 stamps overprinted "B.M.A. TRIPOLITANIA" were used. Cyrenaica enjoyed a brief period of internal autonomy in 1949-51 when the British authorities recognised Amir Mohammed Idris Al-Senussi as Emir of Cyrenaica, which ended on 24 December 1951 when Cyrenaica, Tripolitania and Fezzan were unified as the Kingdom of
Cyrenaica term "Pentapolis" continued to be used as a synonym for Cyrenaica. In the south, the Pentapolis faded into the Saharan tribal areas, including the pharaonic oracle of Ammonium. The region produced barley, wheat, olive oil, wine, figs, apples, wool, sheep, cattle and silphium, an herb that grew only in Cyrenaica and was regarded as a medicinal cure and aphrodisiac. Cyrene became one of the greatest intellectual and artistic centers of the Greek world, famous for its medical school, learned academies and architecture, which included some of the finest examples of the Hellenistic style. The Cyrenaics, a school of thinkers who