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Reference.org
Siege of De'an
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<p>The siege of De'an (德安之戰) was fought as part of the <a href="/facts/Jin-Song_Wars/fyUE8IIw">Jin-Song Wars</a> of China in 1132, during the Jin invasion of <a href="/facts/Hubei/7JDg0AYg">Hubei</a> and <a href="/facts/Shaanxi/tNvSEe3v">Shaanxi</a>. The battle between the besiegers, a group of rebels led by Li Heng and the Song Chinese defenders is important in global history as the first recorded instance of the <a href="/facts/Fire_lance/aKjj1YaR">fire lance</a>, an early ancestor of <a href="/facts/Firearms/GuHx4aGE">firearms</a>, being used in battle. </p>