Related by context. Frequent words. (Click for all words.) 58 Roman Empire 54 Byzantine Empire 54 Napoleonic Wars 53 Crusades 52 Ottoman Empire 51 Ottoman empire 51 #BC [002] 50 conquest 50 Persian Empire 49 Roman empire 49 Ottomans 49 Ancient Rome 49 Byzantium 48 Constantinople 47 Middle Ages 47 WW1 47 Boer War 47 Ottoman 47 Crimean War 46 Holy Roman 46 Thucydides 46 seventeenth century 46 Civil War 46 nineteenth century 46 Hellenistic 46 #th century 46 WWI 45 Abyssinia 45 Revolutionary War 45 Colonialism 44 eighteenth century 44 Romans 44 Centuries 44 Phoenicians 44 sixteenth century 44 Persians 44 civilization 44 prehistory 44 #BC [003] 43 colonist 43 Han Dynasty 43 colonization 43 colonialist 43 War 43 Babylonians 43 Stalingrad 43 Mesopotamian 43 conquerors 43 centuries 42 Confederacy 42 Napoleon 42 Mesopotamia 42 millennium BC 42 twentieth century 42 colonialism 42 colonialists 42 War I. 42 AD# [001] 42 millenniums 42 Huns 42 Julius Caesar 41 slave revolt 41 millennia 41 colonial 41 Philistines 41 ancient Greeks 41 Civilisation 41 ancient 41 medieval 41 antiquity 41 Herodotus 41 Conqueror 41 Xerxes 41 empires 41 Roman emperor 41 colonists 41 WW II 40 Siege 40 principalities 40 Civilization 40 #AD [002] 40 Imperialist 40 kingdoms 40 Huguenots 40 Agamemnon 40 Roman 40 Nebuchadnezzar 40 imperial ambitions 40 Aeschylus 40 ancient civilization 40 Ancient Greek 40 civilizations 39 Charlemagne 39 Caliph 39 Christendom 39 Gilgamesh 39 WWII 39 Black Plague 39 Persia 39 Sumerian 39 Balfour Declaration