Pax (liturgy) of the use of ""pax"". In Christian epigraphy, there are a variety of formulae: ""pax""; ""in pace""; ""pax tecum""; ""vivas in pace""; ""requiescat in pace""; ""pax Christi tecum sit""; ""anima dulcissima requiescas in pace""; ""dormit in pace""; and ""in locum refrigerii, lucis et pacis"" (from the formula of the Mass at the Momento of the Dead). For the formula Pax and other formulas in funeral epigraphy: Pax (liturgy) In Christian liturgy, "the Pax" is an abbreviation of the Latin salutations ""pax vobis"" ("peace to you") or ""pax vobiscum"" ("peace with you"), which are used in the Catholic Mass and Lutheran
Common Era "before the beginning of the vulgar æra, by which we now compute the years from his incarnation." A 1796 book uses the term "vulgar era of the nativity". The first so-far-discovered usage of "Christian Era" is as the Latin phrase "aerae christianae" on the title page of a 1584 theology book. In 1649, the Latin phrase "æræ Christianæ" appeared in the title of an English almanac. A 1652 ephemeris is the first instance so-far-found for English usage of "Christian Era". The English phrase "common Era" appears at least as early as 1708, and in a 1715 book on astronomy is