Related by context. Frequent words. (Click for all words.) 61 Persian empire 57 Babylonia 56 Persian Empire 55 Ottoman rulers 54 Egyptian pharaohs 54 Mongol invasion 53 Ptolemaic 53 colonial empires 52 Antiochus 52 Ottoman empire 52 Hittites 52 Mamluk 52 Elamite 52 thirteenth century 51 Byzantine Empire 51 ancient kingdoms 50 Khmer empire 50 Pope Pius IX 50 Byzantines 50 Umayyad 50 Reza Shah 50 Mughal Empire 50 Akkadian 50 Emperor Augustus 50 #AD [001] 50 Ottoman Empire 50 Jewish Temples 49 Sassanid 49 Diocletian 49 Ottomans 49 Assyria 49 #BC [002] 49 suzerainty 49 #BC [003] 49 King Nebuchadnezzar 48 Ka'ba 48 Inca empire 48 Roman empire 48 Egyptian pharaoh 48 ancient Mesopotamia 48 Ibn Saud 48 Ottoman Turkish 48 ancient Babylon 48 fifteenth century 48 Roman Empire 48 ziggurat 48 Safavid 47 monotheistic religion 47 Umayyads 47 Mohammad Reza Pahlavi 47 Transjordan 47 Seljuk 47 Hasmonean 47 feudal serfdom 47 Manchus 47 Pan Arabism 47 AD# [001] 47 monotheistic 47 Abbasid 47 Achaemenid 46 empire 46 classical antiquity 46 #AD [002] 46 Amenhotep III 46 Emperor Constantine 46 #BC [001] 46 Babylonians 46 Baha'u'llah 46 Mandatory Palestine 46 Mesopotamia 46 Fertile Crescent 46 Hellenistic 46 Minoan 46 caliphate 46 supreme ruler 46 Partition Plan 46 imperium 46 Islam holiest shrines 46 Pax Romana 45 codices 45 Emperor Hadrian 45 Qin Dynasty 45 Caliphate 45 caliphs 45 Austro Hungarian empire 45 Mandate Palestine 45 Germanic tribes 45 Siddhartha Gautama 45 fourteenth century 45 civilization 45 millenniums 45 Parthian 45 Nebuchadnezzar 45 Soviet Communism 45 Shi'ism 45 Ming Dynasty #-# 45 royal tombs 45 Ramses II 45 civilizing mission 45 Judean 45 Inca Empire