It is well known that according to the "special relativity", such communication would lead to the ability to send messages to one's own past, a technical development that would certainly change history (in more ways than one).
Such communication would lead to the ability to send messages to one's own past (in more ways than one). This is according to the "special relativity". This was what it is well known. One's own past is a technical development. This technical development would certainly change history.