When King Edward VII died in 1910. former President Roosevelt happened to be in England and was invited to attend the funeral. It was a huge pageant and procession, which was governed by ancient medieval rules.
The various presidents of republics, having no titles of nobility, were assigned to march behind the Emperors, Kings, Dukes, and Barons.
The President of France found it unreasonable that he had to follow a bunch of titled nobodies, and told Roosevelt so. T. R.' reply-
"For God's sake, keep quiet. This is a funeral."
I am only saying.