▁longer ▁suffered ▁sub ordinate ▁status . ▁ ▁Under ▁the ▁Q in ▁and ▁Han ▁dynast ies , ▁it ▁was ▁part ▁of ▁Long xi ▁Command ery , ▁head qu arter ed ▁at ▁D ida o ▁( present - day ▁T ao y ang ▁in ▁L int ao ▁County ). ▁During ▁the ▁Northern ▁Wei ▁dynast y , ▁it ▁was ▁part ▁of ▁H any ang   Command ery , ▁head qu arter ed ▁at ▁H any ang ▁( present - day ▁T ians hui ). ▁Under ▁the ▁Western ▁Wei , ▁this ▁was ▁changed ▁to ▁H any ang   Count y . ▁During ▁the ▁Tang , ▁L ix ian ▁was ▁known ▁as ▁Ch ang da o ▁( , ▁) ▁and ▁was ▁part ▁of ▁Q in z hou ▁( ), ▁a ▁province ▁centered ▁various ly ▁at ▁Shang gui ▁( present - day ▁T ians hui ) ▁and ▁Ch eng ji ▁( present - day ▁Q in ' an ). ▁The ▁area ▁was ▁the ▁home ▁of ▁the ▁noted ▁ 1 0 th - century ▁mem oir ist ▁Wang ▁Ren hui ▁( ). ▁Li ▁County ▁was ▁separated ▁from ▁T ians hui ' s ▁juris diction ▁during ▁the ▁nin th ▁year ▁of ▁Ch eng h ua ▁(   1 4 7 3 ) ▁during ▁the ▁M ing ▁dynast y . ▁ ▁Li ▁County ' s ▁lo ess ▁is ▁pr one ▁to ▁er os ion ▁and ▁land sl ides . ▁Am id ▁the ▁increasing ▁collect iv ization ▁of ▁agricult ure ▁from ▁ 1 9 6 4 ▁to ▁ 1 9 7 8 ,