What a difference a few decades can make.

Upon receiving his first treatment for cancer, Britain's King Charles III retreated to Sandringham House, a private estate.

If one thread ran throughout the festivities marking the coronation of King Charles III, it was the idea of public service.

King Charles III was crowned at Westminster Abbey, in a ceremony steeped in ancient ritual and brimming with bling at a time when the monarchy is striving to remain relevant in a fractured modern Britain.