Han campaigns against Minyue

The Han campaigns against Minyue were a series of three Han military campaigns dispatched against the Minyue state. The first campaign was in response to Minyue's invasion of Eastern Ou in 138 BC. In 135 BC, a second campaign was sent to intervene in a war between Minyue and Nanyue.

Source: Wikipedia — Han campaigns against Minyue (CC BY-SA 4.0)