pope gregory XIII
it was instituted and was named after him.
Douglas, like many of his contemporaries, thought the Constitution was a "living" document, in that it had to be altered and interpreted according to the times at hand.
Military development wasn’t all that advanced in the 1800s, also expansionism and uprisals from colonies were the major cause of war. Also, war tactics were not as aggressive or debastating.
The upper class are who most commonly practiced the art of foot binding for control of their wives.