Archons were ancient Athenian magistrates who oversaw various civil and religious matters. The constitution of the city-state provided for nine archons of which the King was the second. Though chosen by lot, he was "King" by inheritance. Historically, Kings interceded to the gods on behalf of the people, a role they continued to play in democratic Athens. The King's day would begin by sacrificing an animal. He had jurisdiction over charges of homicide and impiety.
The King Archon had his office in the Royal Stoa (Stoa Basileios) of the