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American military fighter jets regularly patrolled and performed fighter maneuvers in the Taiwan Strait, which led to formal protests being regularly lodged by the Chinese Communist Party in the form of a "final warning". The People's Republic of China released its first "final warning" to the United States on 7 September 1958 during the Second Taiwan Strait Crisis. By the end of 1964, more than 900 such "final warnings" had been issued. However, no real consequences were levied for ignoring the "final warnings".
These protests were frequently broadcast on Soviet radio, "voiced by announcer Yuri Levitan in his solemn voice", which led to general awareness of the "final warnings" among the Soviet populace and common use of the term "China's final warning" within Soviet households to refer to empty threats. Citizens would often add numbers to the phrase for added humorous effect, such as "231st final Chinese warning" and "850th final Chinese warning". Since the 1972 Shanghai Communiqué that warmed US-China relations, the phrase has continued being used in reference to fruitless warnings in situations unrelated to politics or China.
China's Final Warning - Wikipedia
China Watching Karma Come to Russia.
