And then, by decree, said "This is it."
They have merely discussed which of several competing possibilities is most likely.And then, by decree, said "This is it."
No, this is fiction. It never happened. There are no such decrees. With your insistence on evidence why do you feel so comfortable simply asserting historical falsehoods, and even manufacturing fictional "decrees"? If these "decrees" are so known to you perhaps you can, following the nickname of a particular state, show them to me? I would love to see them myself.