Existence as a separate entity began with the Treaty of LOCATION@1 -LRB- NUMBER@1 -RRB- , with the division of PERSON@1 's MISC@1 Empire into LOCATION@2 , LOCATION@3 and Western Francia .

The Treaty of LOCATION@1 -LRB- NUMBER@1 -RRB- , divided PERSON@1 's Empire into three parts .
