Persona non grata

Persona non grata (Latin, "unacceptable person") is a diplomatic term used when a government declares that a foreign diplomat is no longer welcome on its soil. Under international law, a persona non grata must leave the government's territory as soon as possible.

Persona non grata in Southern Victory
Confederate President Jake Featherston declared US Ambassador Jerry Voorhis persona non grata on June 21, 1941. US President Al Smith did the same to Confederate ambassador Russell, and the next day, the Second Great War began.

Persona non grata in World War
German Chancellor Heinrich Himmler declared Race psychologist Ttomalss persona non grata after Ttomalss mocked the Nazi Party. Felless attempted to earn the same "punishment" to escape the race's German embassy, an assignment which she hated; however, she failed.