Related by context. Frequent words. (Click for all words.) 64 Elamite 63 Persian empire 62 Hittites 60 Umayyad 59 Babylonia 58 Persian Empire 57 Ptolemaic 57 Hellenistic 57 Seljuk 57 Sassanid 57 Abbasid 56 Inca Empire 56 thirteenth century 55 Yuan Dynasty 55 fifteenth century 55 Assyria 55 Mughal Empire 55 Safavid 54 fourteenth century 54 #BC [002] 54 Thracians 54 Akkadian 54 ancient 54 Byzantine Empire 54 Nag Hammadi 53 Mycenaean 53 Khazars 53 Achaemenid 53 Ottoman Turkish 53 ancient Mesopotamia 52 ancient Babylon 52 Ottoman empire 52 Ottoman 52 Tang Dynasty #-# 52 ancient civilization 51 Egyptian pharaohs 51 Minoan 51 stele 51 Qajar 51 Uruk 51 #BC [003] 51 #AD [002] 51 Sumerians 51 #BC [001] 51 antiquity 51 Roman Empire 51 pre Incan 51 Inca empire 51 #AD [001] 50 archeological excavations 50 Hasmonean 50 ancient Persia 50 Ming Dynasty #-# 50 Harappan 50 Ottoman Empire 50 Harappa 50 Byzantines 50 millennium BC 50 Ottoman rulers 50 Topkapi Palace 50 Pharaonic 50 Fertile Crescent 50 Qin Dynasty 49 Jiroft 49 Sufi poet 49 Han dynasty 49 Han Dynasty 49 Canaanite 49 ancient tombs 49 Ancient Roman 49 Byzantine era 49 Ottomans 49 Sumerian 49 caliphs 49 Reza Shah 49 ancient Persian 49 Cilicia 49 royal tombs 49 Amarna 49 Thracian 48 Canaanites 48 Hasankeyf 48 AD# [001] 48 Emperor Hadrian 48 cuneiform 48 Medes 48 sixteenth century 48 Judean 48 Abydos 48 Palaeolithic 47 Etruscans 47 Parthian 47 King Nebuchadnezzar 47 megaliths 47 Byzantium 47 classical antiquity 47 Koguryo 47 Persian poet 47 Pasargadae 47 Mesopotamian 47 neolithic