Definition of Liberian Calendar in English:

Liberian Calendar

noun

  • An almanac drawn up for the use of Christians at Rome and completed during the pontificate of Liberius; also called Philocalian Calendar.

    The work contains, among other things, a calendar of Roman holidays, an account of various Roman martyrs, and the Liberian catalogue.

Origin

Mid 18th century; earliest use found in Alban Butler (1709–1773), Roman Catholic priest and hagiographer.