西汉六安国史实钩沉

西汉六安国的出现，同汉初皖西境内淮南国、衡山国屡出变故直接相关。六安国首位国王刘庆，出身于一个显赫而又富有传奇色彩的家族。六安国因刘寄、刘庆家族显要，同武帝关系亲近，以及为着解决刘寄家族的矛盾而建立。研究西汉六安国之政区版籍的变化，必须采用逆推法等考证方法。六安国始封时至少应有七县之地。武帝以后的推恩分封、颁行左官律和附益法等，使得包括六安国在内的西汉诸侯王国逐步走向了衰微。

Anecdote about the history of Lu'an State in Western Han Dynasty

The appearance of Lu'an State in Western Han Dynasty is directly related to the misfortune of Huainan State and Hengshan State in Wanxi territory at the beginning of Western Han Dynasty.Liu Qing,the first king of Lu'an State,was born in an illustrious and legendary family.There are two reasons of the establishment of Lu'an State.One is because of Liu Ji and Liu Qing's family is very important.This family has a close relationship with Wu Emperor.The other reason is to solve the contradic-tions of Liu Ji's family.To study the changes of region versions of the Lu'an State,we must take some research methods such as back stepping.Lu'an State should have seven counties at least at the first period.But because of the"tui en fen feng"and the law o"fzuo guan","fu yi",the states including Lu'an State in Western Han Dynasty,declined gradually.