The Arab Empire at its greatest extent, VII century

"The Eighth Progressive Map - Arabic Ascendancy; showing (a,)The Arabic Empire in its greatest extent. (b,) The world at the beginning of the eighth century (Christianity on the point of being crushed by the Moslems.). (c,)The four Christian empires (Byzantine, Longobardian, Merovingian, and Anglo-Saxon.)."
Source: "An Historical Atlas Containing a Chronological Series of One Hundred and Four Maps, at Successive Periods, from the Dawn of History to the Present Day." by Robert H. Labberton. Sixth Edition. 1884

Por Mapas Owje