ЕМНИС, термин Crimean war тоже встречается, хотя хз - может он и не основной у англов.
А что называют и Восточной - так оно совершенно неудивительно
Let it be clearly understood that the Russian is a delightful person till he tucks in his shirt. As an Oriental he is charming. It is only when he insists upon being treated as the most easterly of western peoples instead of the most westerly of easterns that he becomes a racial anomaly extremely difficult to handle. The host never knows which side of his nature is going to turn up next.
(с) Киплинг, "The Man Who Was"