As the years went by, the three feudal lords and their extensive territories became increasingly autonomous. Finally, in 1673, Shang Kexi petitioned Kangxi for permission to retire to his hometown in Liaodong province and nominated his son as his successor. The young emperor granted his retirement, but denied the heredity of his fief. In reaction, the two other generals decided to petition for their own retirements to test Kangxi's resolve, thinking that he would not risk offending them. The move backfired as the young emperor called their bluff by accepting their requests and ordering that all three fiefdoms to be reverted to the crown.

When did Kexi retire?