{
  "system":{
    "promulgated":1969,
    "effective_since":1970,
    "desc":"promulgated by motu proprio Mysterii Paschalis of Paul VI. (AAS 61 (1969), pp. 222-226)."
  },
  "sanctorale":{
    "title":"General Roman Calendar",
    "language":"en"
  }
}