Original: The German cities of Lübeck, Wismar, and Rostock enter into a pact to defend against pirates of the Baltic Sea, laying the groundwork for the Hanseatic League.
Simplified: While engaged in a war with the Mongols, the Song Chinese official Li Zengbo wrote in his Kozhai Zagao, Xugaohou that the city of Qingzhou was manufacturing one to two thousand strong iron-cased gunpowder bomb shells a month, dispatching to Xiangyang and Yingzhou about ten to twenty thousand such bombs at a time.