Xiang Yu
In the third lunar month of 205 BC, Liu Bang attacked Henei with help from Wei Bao, the King of Western Wei. When Liu Bang received news that Xiang Yu had ordered the assassination of Emperor Yi, the nominal sovereign over the Eighteen Kingdoms, he held a memorial service for the emperor and accused Xiang Yu of committing regicide, using this incident as political propaganda to justify his war against Xiang Yu.