What era was King Lear set in?

"King Lear" is set in ancient Britain, during a time that resembles the pre-Christian, mythological past of the British Isles. The play does not specify an exact historical period, but it reflects themes of power, family dynamics, and societal structure that suggest a time before the establishment of a unified England. The setting allows for a blend of realism and fantastical elements, creating a backdrop for the exploration of human nature and tragedy.