Order Number One (Lin Biao)
Order Number One by Lin Biao (simplified Chinese: 林副主席第一个号令; traditional Chinese: 林副主席第一個號令) was a military emergency order issued by Lin Biao, then Vice Chairman of the Chinese Communist Party and Vice President of the Central Military Commission, on October 18, 1969. The order required all personnel of the People's Liberation Army to enter the emergency state of combat readiness and to prepare for the imminent attack including nuclear strike from the Soviet Union.