Zhu Houcong, a young prince from Hubei with no direct claim through primogeniture, was installed as Ming emperor following the death of the childless Zhengde Emperor. His accession triggered the 'Great Rites Controversy,' a bitter court dispute over how to honor his birth father versus his adoptive imperial lineage, foreshadowing decades of factional strife under his rule.
When the Zhengde Emperor died in 1521 leaving no sons, the Ming court faced a succession crisis: the throne passed sideways to a cousin, the thirteen-year-old Prince of Xing, rather than down a direct line. Grand Secretary Yang Tinghe engineered the succession, expecting to control the young emperor as a pliable regent figure.
He badly misjudged his man. The new Jiajing Emperor immediately clashed with the court over ritual protocol — insisting on posthumously honoring his own biological father with imperial titles rather than simply adopting the previous emperor's father as his own, a controversy that consumed years of court energy and ended in purges of officials who resisted him.
Jiajing went on to rule for 45 years, one of the longest reigns in Ming history, remembered for his growing obsession with Daoist alchemy and immortality elixirs (some laced with mercury), his near-total withdrawal from day-to-day government later in life, and the corruption that flourished under favored ministers as a result. His reign also saw devastating Mongol raids and Japanese pirate incursions along the coast, testing the dynasty's resilience.