Douglas Harper's Etymology Dictionary
Mid East
"Middle East," attested from 1944. Loosely defined.
Usage examples of "mid east".
With America weakened already in the Pacific and Mid East, under full scale assault in both of those areas at the time, the Indians had struck, and struck hard.
Department of State Foreign Affairs Network, Mid East policy group.
This ( was damn near a carbon copy of the one he'd had in Aden, though then the PM's name had been left out, and they were quoting secret instructions from GOC Land Forces Mid East.