The king who was responsible for the Act of the 18th was in power until what year, the same year he died?
Circumspecte Agatis: The Statute of Circumspecte Agatis (Latin: Statutū Circumspecte Agatis), or Circumspecte Agatis, was an English statute issued in 1285 by King Edward I. Circumspecte Agatis:  This, along with the "Articuli Cleri" of Edward II, the Act of the 18th of Edward III (1344) and the Charter of Edward IV (1462), eventually settled this long-standing dispute. Edward III of England: Edward III (13 November 1312 – 21 June 1377) was King of England from 25 January 1327 until his death; he is noted for his military success and for restoring royal authority after the disastrous and unorthodox reign of his father, Edward II.
1377