(special) North Korean standard Korean language

state of emergency (governmental decree)

the Paleogene period

Inner Mongolia (an autonomous region of China)

Outer Mongolia

Obsolete spelling of シカゴ (Shikago, “Chicago (a city in Illinois, United States)”)

revisionism

"Historical kana usage", a prescriptive method of using kana to write Japanese. Devised in the Edo period by Keichū (契沖) and taught in schools until 1946, it aims to be etymologically faithful and reflects earlier stages of the language (Heian period and earlier).

Cultural Revolution (Great Proletarian Cultural Revolution)

revisionist