How many empirewomen were on the throne in Russia? Who are they?
The first Russian emperor was Ptr I, therefore, the empress on the throne is Catherine the First (after the death of Peter), Anna Ioannovna, Elizaveta Petrovna, (not quite the empress - regent under the minor Ivan Shest - Anna Leopoldovna) and completed the female line of the first persons of the Russian Empire - Catherine II, the Great.
Only four women ruled the Russian Empire.
Peter I became the first emperor and the throne of the empire passed from him to Catherine I, and after to Anna Ioannovna, who loved to give birth and in every possible way contributed to the Bironovshchina. The throne from Anna, with the help of the guards, was seized by Elizaveta Petrovna, daughter of Peter. Well, after that, not Russia was ruled by the young widow of Paul, Catherine the Great.