Nicholas II reigned as the last Emperor of All Russia from 1894 until his abdication in 1917. His reign oversaw a series of reforms in Russia. These reforms included the introduction of literacy programs, civil liberties, and methods to modernize the empire's infrastructure. However, these reforms were eventually undermined by Nicholas' love for autocratic rule.
Peter III of Russia reigned over Russia as the emperor for just six months in 1762 before being deposed by people loyal to his wife Catherine II, who then succeeded him. In his short reign, Peter made progressive reforms, including the abolishment of the secret police, which was renowned for its extreme violence. Peter is often portrayed in films.
Nicholas I of Russia reigned as Emperor of Russia, Grand Duke of Finland, and King of Poland from 1825 to 1855. Nicholas I is remembered for his controversial reign, under which the Russian Empire achieved great geographical expansion. He also played a key role in creating an independent Greek state and was successful in ending the Russo-Turkish War of 1828–1829.
14 Igor of Kiev
Alexander II of Russia was the Emperor of Russia, Grand Duke of Finland, and King of Poland from 1855 to 1881. He became known as Alexander the Liberator for his most significant reform, which was the Emancipation Reform of 1861. He is also credited with reorganizing the judicial system, abolishing corporal punishment, and imposing universal military service in Russia.