Who was the mother of the emperor that issued the Robot Patent?
Robot Patent The Robot Patent is an English-language scholarly term for the imperial decrees (patents) in the 1700s abolishing compulsory labor (robot) of serfs, issued by Joseph II, Holy Roman Emperor, who had carried out a register of all land with a division between peasant and noble holdings.
Empress of Russia Empress of Russia was a title in the Russian Empire between 1721 and 1917.