Related by context. Frequent words. (Click for all words.) 66 Persian Empire 63 Byzantines 62 Ottomans 62 Babylonia 61 #BC [002] 60 thirteenth century 59 Assyria 59 Sassanid 59 Ottoman 58 Parthian 58 fourteenth century 58 Ottoman Empire 57 Byzantine Empire 57 Byzantium 57 sixteenth century 57 fifteenth century 57 ancient 57 Mesopotamia 57 Tsarist Russia 57 Roman Empire 57 ancient Persia 56 Hellenistic 56 #AD [002] 56 Persians 55 Achaemenid 55 Ottoman empire 55 Etruscans 55 Safavid 54 Minoan 54 Salamis 54 Thracian 54 Ottoman Turkish 54 ancient Persian 54 ancient Mesopotamia 54 mediaeval 53 Herodotus 53 Roman emperors 53 Sumerians 53 czarist Russia 53 antiquity 53 Austro Hungarian empire 53 Romans 53 Roman emperor 53 #BC [001] 53 Mesopotamian 53 Middle Ages 53 Frankish 52 Constantinople 52 ancient civilization 52 kingdoms 52 #BC [003] 52 Roman empire 52 Persia 52 Roman legions 52 Bronze Age 52 conquest 51 Kublai Khan 51 invading armies 51 Byzantine era 51 Nebuchadnezzar 51 Czarist 51 Mughals 51 noblemen 51 imperial 51 nobles 50 eighteenth century 50 ancient Babylon 50 Tang dynasty 50 Picts 50 Habsburgs 50 #th century 50 caliphs 50 tsarist 50 medieval 50 Ancient Greeks 50 Abyssinia 50 Byzantine 49 Gauls 49 Canaanites 49 Fertile Crescent 49 Turkestan 49 ancient Roman 49 Ancient Egyptians 49 millennium BC 49 Sumerian 49 centuries 49 ancient civilizations 49 Canaanite 49 Persian 48 Genoese 48 Tsars 48 Babylonians 48 neolithic 48 Judean 48 Tsarist 48 Cyrenaica 48 Emperor Nero 48 archeological excavations 48 Tacitus 48 Soviet occupiers 47 Khazar