div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader042vdocumentsusreader042viewer20220219005b548e107f8b9aa40e8d2d2chtml5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: ers unis airouarp 810 Black Sea ConStantinopIe … · Abbasid Empire c 850 Extent of Abbasid Empire 786—809 Other Muslim dynasties Islamic expansion 750-850 Byzantine Empire Abbasid src=https:reader042vdocumentsusreader042viewer20220219005b548e107f8b9aa40e8d2d2chtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdiv