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[1] Lin Biao, formerly Vice Chairman of the CPC Central Committee and Vice Chairman of the
Central Military Commission, formed a counter-revolutionary group during the Cultural
Revolution, colluding with Chen Boda and others. He then colluded with and competed with
the Jiang Qing counter-revolutionary group in a plot to seize supreme leadership of the Party
and the state. After his plot was exposed, he fled on September 13, 1971, and died in a
plane crash in Wulankhan, Mongolia. In August 1973, the CPC Central Committee passed a
resolution expelling Lin Biao from the Party. In 1981, a special tribunal of the Supreme
People's Court of the People's Republic of China confirmed him as the principal offender in
the counter-revolutionary group case.
[2] The main contents of the draft notice submitted by Zhou Enlai for review on September
17, 1971 were: 1. The Central Committee of the Communist Party of China officially notifies
that Lin Biao fled in panic on September 13, 1971, surrendered to the enemy, betrayed the
Party and the country, and brought about his own destruction. 2. Lin Biao's betrayal of the
Party and the country was a continuation of the class struggle and the two-line struggle that
had been going on for a long time, especially since the Second Plenary Session of the Ninth
Central Committee of the Party. It was the total exposure and bankruptcy of Lin Biao, a
bourgeois individual careerist and conspirator. 3. Our Party grew and became stronger
through the class struggle and the two-line struggle. 4. At present, the entire Party must
heighten its revolutionary vigilance, prevent enemy sabotage, and continue to strengthen its
war preparedness. 5. In accordance with the principle of differentiating internal and external
communication and disseminating information in a step-by-step manner, the issue of Lin
Biao's betrayal of the Party and the country has only been communicated to Party
organizations at or above the Standing Committee level of the provincial, municipal, and
autonomous regional Party committees. Later, in accordance with the instructions of the
Central Committee, the scope of this notice was gradually expanded.