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Detailed explanation-1: -Previous scholarship places the rocket’s origins in China during the Sung dynasty (A.D. 960-1279). The first known use of the military rocket occurred in 1232 when the Chinese used fei huo tsiang (flying fire lances) against Mongols besieging the city of Kai-fung-fu.

Detailed explanation-2: -Rockets were first used as actual weapons in the battle of Kai-fung-fu in 1232 A.D. The Chinese attempted to repel Mongol invaders with barrages of fire arrows and, possibly, gunpowder-launched grenades. The fire-arrows were a simple form of a solid-propellant rocket. A tube, capped at one end, contained gunpowder.

Detailed explanation-3: -11th century AD-The first documented record of what appears to be gunpowder and the fire arrow, an early form of rocketry, appears in the Chinese text Wujing Zongyao.