Related by context. Frequent words. (Click for all words.) 59 Roman Empire 56 Byzantines 56 Byzantine Empire 53 Roman empire 51 fifteenth century 51 Soviet Communism 50 Ottomans 50 Colonialism 49 nineteenth century 49 civilization 49 Ottoman empire 49 Protestant Reformation 49 Austro Hungarian Empire 49 Ottoman Empire 48 Hundred Years War 48 twentieth century 48 Byzantium 48 Ottoman Turkish 48 empires 47 colonization 47 despotic rule 47 colonialism 47 Bolshevik revolution 47 sixteenth century 47 invading armies 46 Napoleonic wars 46 #AD [002] 46 Middle Ages 46 Little Ice Age 46 centuries 46 Emperor Constantine 46 Christendom 45 civilizations 45 Soviet empire 45 #th century 45 Communist regimes 45 secularisation 45 Reformation 45 Hellenistic 45 Crusades 45 Soviet communism 44 colonialists 44 Roman legions 44 seventeenth century 44 pogroms 44 dhimmitude 44 Napoleonic Wars 44 Stalinism 44 Ottoman 44 Austro Hungarian 44 Communism 43 millennia 43 epochs 43 Enlightenment 43 Constantinople 43 principalities 43 #BC [002] 43 Anglo Saxons 43 Persian Empire 43 eighteenth century 43 feudalism 43 Protestantism 43 Bolshevik Revolution 43 communism 43 Assyria 42 collectivization 42 millenniums 42 imperialistic 42 Bolshevism 42 conquest 42 persecutions 42 glaciation 42 imperial 42 Progressive Era 42 barbarism 41 Roman emperors 41 famines 41 Holy Roman 41 totalitarianism 41 emancipatory 41 Canaanite 41 Canaanites 41 Industrial Revolution 41 Babylonians 41 Anglo Saxon 41 despotism 41 Mayan civilization 41 Hellenism 41 kingdoms 41 Ancient Rome 41 colonial rule 40 Huns 40 century 40 Romanticism 40 fratricidal 40 totalitarian regimes 40 Westernization 40 twentieth centuries 40 colonialist 40 Papacy 40 statism