Elizabeth of Russia. 12 connected concepts: Treaty of Saint Petersburg (1762) (related to), Moscow State University (related to), Alexei Razumovsky (related to), Ivan VI of Russia (related to), Peter III of Russia (related to), Peter the Great (related to), Saint Petersburg (related to), Catherine Palace (related to), Francesco Bartolomeo Rastrelli (related to), Catherine the Great (related to), Catherine I of Russia (related to), Amber Room (related to).