King George III was suspected of having porphyria, ... an extremely rare genetic disease that Cleveland Clinic says is estimated to affect fewer than 200,000 people in the United States.

Queen Charlotte reveals more about King George III's illness, which was first depicted in Bridgerton. Here's what history says about the real King George.

King George (Corey Mylchreest), left, and Queen Charlotte (India Amarteifio) in Netflix’s “Queen Charlotte: A Bridgerton Story.” There is some historical accuracy to the monarchs in the series.

King George III's "madness" has been well documented in popular culture and the history books over the years but the cause of his illness is much debated among historians.

Millions of protesters have denounced President Donald Trump as a would-be autocrat and marched under the banner “No Kings.” ...