Related by context. Frequent words. (Click for all words.) 78 Persian Empire 65 Assyria 62 Roman Empire 62 Persians 62 ancient Persia 61 Byzantine Empire 61 Hellenistic 61 Byzantines 60 ancient Persian 60 Byzantium 59 Ottomans 59 Ottoman Empire 58 Ottoman empire 58 Herodotus 58 Mesopotamia 58 ancient civilization 57 #BC [002] 56 Constantinople 56 thirteenth century 56 Mughals 56 caliphs 56 ancient civilizations 55 ancient Mesopotamia 55 Shi'ism 55 Mesopotamian 54 Achaemenid 54 Sumerians 54 fifteenth century 53 antiquity 53 Roman empire 53 Zoroastrianism 53 Babylonians 53 Fertile Crescent 53 Ottoman Turkish 53 ancient 53 Roman emperor 52 Persian 52 Persia 52 Roman legions 52 Ottoman 51 Pharaonic 51 caliphate 51 civilizations 51 Byzantine era 51 civilization 51 Nebuchadnezzar 51 Canaanites 51 Assyrians 50 Shahnameh 50 kingdoms 50 ancient Babylon 50 Shiism 50 monotheism 50 caliph 50 centuries 50 Caliph 50 Hellenism 50 Xerxes 50 millenniums 49 Babylonian 49 Canaanite 49 empires 49 Islamic Caliphate 48 Sumerian 48 Romans 48 millennia 48 fourteenth century 48 millennium BC 48 Han Dynasty 48 Middle Ages 48 Turkic 48 Tang dynasty 48 Judean 48 Holy Roman 48 Caliphate 48 monotheistic 48 #AD [002] 48 Ming Dynasty #-# 48 Roman emperors 48 Baha'u'llah 48 pharaohs 48 sixteenth century 47 Zoroastrian 47 Alexandrian 47 Ptolemy 47 Circassians 47 Abyssinia 47 Maharaja Ranjit Singh 47 Thebes 47 eighteenth century 47 Philistines 47 nobles 47 Ancient Greeks 47 Emperor Constantine 47 Ming dynasty 47 Genghis Khan 47 monotheistic religions 47 Mevlana 46 ancient Greeks 46 Gandhara 46 #BC [003]