Related by context. Frequent words. (Click for all words.) 57 Emperor Constantine 55 Umayyad 54 Byzantines 54 Hagia Sophia 53 Roman emperor 52 King Nebuchadnezzar 52 Ptolemaic 52 thirteenth century 52 Constantinople 52 Persian Empire 52 Abbasid 52 Antiochus 52 Yuan Dynasty 52 Pope Pius IX 51 Giorgio Vasari 51 Ottomans 51 Tang Dynasty #-# 51 Roman emperors 51 Justinian 51 Hapsburg 51 Emperor Nero 51 Persian empire 51 fifteenth century 51 Roman Emperor 50 equestrian statue 50 Tsar Alexander 50 Ming Dynasty #-# 50 Antoni Gaudi 50 Ottoman 50 Hellenistic 50 Reza Shah 50 Saint Peter Basilica 50 Byzantine Empire 50 Ming dynasty 50 Elamite 50 #BC [002] 49 fourteenth century 49 Safavid 49 Sassanid 49 Pugin 49 Han dynasty 49 Achaemenid 49 Ottoman empire 49 Byzantine era 49 Mughal emperor 49 Ka'ba 49 Teutonic Knights 49 stele 49 Vespasian 49 #AD [001] 49 Czar Alexander 49 #BC [001] 48 Ramses II 48 #AD [002] 48 frescoes 48 Marcus Aurelius 48 Tacitus 48 Roman legions 48 Bolshevik revolution 48 richly decorated 48 Bahadur Shah Zafar 48 Kaiser Wilhelm 48 Kaiser Wilhelm II 48 Caracalla 48 Roman Empire 48 Fra Angelico 48 Emperor Qianlong 48 caliph 47 tsarist 47 Bahadur Shah 47 ancient Babylon 47 Haghia Sophia 47 Habsburgs 47 Axum 47 Akkadian 47 Ancient Roman 47 Topkapi Palace 47 frescoed 47 frescos 47 Tang dynasty 47 caliphs 47 Lord Curzon 47 sixteenth century 46 Caliph 46 Tsar Nicholas II 46 Pope Pius XI 46 Hadrian 46 Frauenkirche 46 Qin Dynasty 46 Kublai Khan 46 Roman 46 Palaeolithic 46 Pope Innocent 46 Ion Iliescu 46 Etruscans 46 Emperor Haile Selassie 46 Galileo Galilei 46 Cilicia 46 Emperor Akbar 46 Visigoths 46 Ottoman Empire