French history lessons, medieval times, architecture, castles, historical monuments, Frankish kingdom, Charlemagne, daily life of people under the empire. History of Germany, Holy Roman Empire, Habsburg Empire, biographies of emperors, empresses, territories of the empire. Russia, Russian Empire, Romanov dynasty, empresses Catherine the Great, Elisabetta Petrovna, Saint Petersburg, Moscow, kyiv. Slavic cultures. Roman Empire, Eastern Roman Empire, Constantinople, Byzantine emperors, empresses. Roman emperors since Augustus. Roman archaeology, architecture, daily life, society etc. Prehistoric archaeology, spiritual life, the great civilizations of the Ancient East.