Why Catherine the Great and Elizabeth of Russia are similar

Country that existed from 1949 to 1990, the period when the eastern portion of Germany was part of the Eastern Bloc during the Cold War. Commonly described as a communist state in English usage, it described itself as a socialist "workers' and peasants' state". Wikipedia

Capital and most populous urban area of Sweden as well as in Scandinavia. 1 million people live in the municipality, approximately 1.6 million in the urban area, and 2.4 million in the metropolitan area. Wikipedia

Second-largest city in Russia. Situated on the Neva River, at the head of the Gulf of Finland on the Baltic Sea, with a population of roughly 5.4 million residents. Wikipedia

Capital and largest city of Russia. The city stands on the Moskva River in Central Russia, with a population estimated at 12.4 million residents within the city limits, while over 17 million residents in the urban area, and over 20 million residents in the Moscow Metropolitan Area. Wikipedia