This timeline details the health issues and episodes of mental illness that affected George III throughout his life.
1788
First Major Mental Illness Episode
George III suffered a prolonged period of mental illness, which led him to recuperate at Cheltenham Spa.
February 1789
Recovery and Regency Bill
George III recovered from his mental illness before a proposed Regency Bill could be passed, allowing him to continue his reign.
Late 1810
Acceptance of Regency Act
Due to his deteriorating health, including virtual blindness and constant pain from rheumatism, George III accepted the need for the Regency Act of 1811.
End of 1811
Permanent Insanity and Seclusion
George III became permanently insane and lived in seclusion at Windsor Castle for the rest of his days.