Complex sentence: On March 17,1969, the Soviets tried to recover the disabled tank, but their effort was repelled by the Chinese artillery On March 21, the Soviets sent a demolition team attempting to destroy the tank.
Split into simpler sentences: On March 17,1969, the Soviets tried to recover the disabled tank, but their effort was repelled by the Chinese artillery. The Chinese People's Liberation Army since 1949 by Benjamin Lai On March 21, the Soviets sent a demolition team attempting to destroy the tank.