Historical clue formulations

• One side of a perpetual war in Orwell's "Nineteen Eighty-Four" — 2024-10-17
• China and environs — 2023-10-12
• "1984" superstate — 2023-08-20
• Oceania's enemy, in "1984" — 2019-04-14
• One of the superstates in "1984" — 2018-05-26
• "1984" superstate — 2018-03-11
• Superstate in "1984" — 2016-02-03
• Where Korea is — 2015-04-14
• Area including China, Korea and Japan — 2013-04-01
• Orwellian superstate — 2013-03-02
• Home to 1 1/2 billion people — 2011-05-14