Supremi disciplinae was a motu proprio released on 2 July 1911 by Pope Pius X that reduced the number of holy days of obligation within the Roman Catholic Church. It reduced the number of such non-Sunday holy days from 36 to 8.[1] The present list was established in 1917.[2]
References
- 1."Supremi disciplinæ" in Catholic Encyclopedia
- 2.Codex Iuris Canonici canon 1247 (1917).