Jiangxia Commandery was established during the reign of Emperor Wu of Han.

Entity and relation annotations:
id: 0
type: entity
value: text: Jiangxia Commandery
labels: <Location>
id: 1
type: entity
value: text: during the reign of Emperor Wu of Han
labels: <Date>
id: 2
type: entity
value: text: Han
labels: <Organization>
id: 3
type: entity
value: text: Emperor
labels: <Title>
id: 4
type: entity
value: text: Emperor Wu
labels: <Person>
type: relation
to_id: 2
labels: Person:leads_NORP:Organization
from_id: 4
type: relation
to_id: 3
labels: Person:holds_title:Title
from_id: 4