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Liu Bang eventually defeated Xiang Yu at the Battle of Gaixia in 202 BC and unified China under his rule. He was proclaimed "Emperor" and became historically known as "Emperor Gaozu of Han". The following year, when Gaozu rewarded his subjects according to their contributions, Xiao He received the title of "Marquis of Zan" () in addition to his appointment as chancellor. Besides, Gaozu also granted Xiao He a rare special privilege: Xiao was allowed to enter the imperial court carrying a sword and with his shoes on, and not required to walk in briskly while others had to.