Sicily, conquered by Belisarius, 88; invaded by Saracens, 208; finally conquered by Saracens, 214; invaded by Maniakes, 246 ; Siroes, deposes his father Chosroës, 138 Skleros, Bardas, rebel against Basil II., 241 Slavery, influence of Christianity on, 147-8 Slavs, invade the Balkan Peninsula, 123; subject to the Avars, 124-37; ravages of the, 125, 129; made tributary by Constans II., 169; besiege Thessalonica, 171 Sophia. St., first building of, 27; burnt in 410 A.D., 53; burnt in the _Nika_ riots, 77; rebuilding of by Justinian, 107-9; desecrated by the Turks, 349 Spain, South of, conquered by Justinian’s generals, 96-7 Stauracius, emperor, short reign of, 204 Statues at Constantinople, 21, 25; destruction of by the Crusaders, 291 Suleiman, Saracen vizier, besieges Constantinople, 185; dies, 186; Turkish Sultan, reign of, 334-6 Stephen Lecapenus, usurpation of, 217 Stephen Dushan, king of Servia, conquests of, 327 Stephen, pope, calls in the Franks, 196 Stilicho, wars of with Alaric, 47-8; murdered by Honorius, 49 Swiatoslaf, king of Russia, conquers Bulgaria, 235; defeated by Zimisces, 237 Syria, invaded by the Huns, 71; invaded by Kobad, 73; conquered by Shahrbarz, 129-30; invaded and conquered by the Saracens, 162-3; conquests of Nicephorus Phocas in, 229; subdued by the Crusaders, 265 Sophronius, patriarch of Jerusalem, 163 Tagina, battle of, 95 Tarsus, taken by Nicephorus Phocas, 230 Teia, Gothic king, slain in battle, 95 Telemachus, martyrdom of, 145 Terbel, king of Bulgaria, aids Justinian II., 178 Themes, institution of the provincial system of, 167-8 Theodahat, Gothic king, murders his wife, 82; war of with Justinian, 87; slain, 88 Theodora, wife of Justinian, career of, 66-8; in the _Nika_ riots, 79; death of, 103 Theodora, wife of Theophilus, 211; regency of, 212 Theodora, daughter of Constantine VIII., reign of, 248 Theodora, daughter of Cantacuzenus, married to Orkhan, 328 Theodore I. (Lascaris), at the siege of Constantinople, 289; made emperor at Nicaea, 298; wars of, 299 Theodore II. (Ducas), short reign of, 303 Theodore, Studita, 221 Theodoric, son of Triarius, wars of with Zeno, 62-3 Theodoric, son of Theodemir, rebels against Zeno, 62; conquers Italy, 64; dies, 81 Theodotus, minister of Justinian II., 174 Theodosius I., wars of, with the Goths, 42; dies, 44 Theodosius II., reign of, 54-6; war with Attila, 57 Theodosius III., usurpation of, 181; abdicates, 183 Theophano, empress, 229; murders her husband, 233 Theophilus, emperor, reign and wars of, 208-11; his love of art, 224-5 Theophilus, patriarch of Alexandria, 52 Thessalonica, besieged by the Slavs, 171; stormed by the Saracens, 216; Crusading kingdom of, 292; retaken by the Greeks, 296; taken by the Turks, 330; recovered, 336; finally lost, 341 Theuderic, Frankish king, attacks Witiges, 89 Thomas, rebel in Asia, 208