Definition that contains christian era
- ad in the Christian era; used before dates after the supposed year Christ was born
- bc before the Christian era; used following dates before the supposed year Christ was born
- ce of the period coinciding with the Christian era; preferred by some writers who are not Christians
- celtic a branch of the Indo-European languages that (judging from inscriptions and place names) was spread widely over Europe in the pre-Christian era
- c.e. of the period coinciding with the Christian era; preferred by some writers who are not Christians
- common era of the period coinciding with the Christian era; preferred by some writers who are not Christians
- b.c. before the Christian era; used following dates before the supposed year Christ was born
- secular games the centennial rites and games of ancient Rome that marked the commencement of a new generation (100 years representing the longest life in a generation); observances may have begun as early as the 5th century BC and lasted well into the Christian era
- anno domini in the Christian era; used before dates after the supposed year Christ was born
- year of grace any year of the Christian era