Timelines & Historical Eras
- Hesiod's Five Ages of the World (Golden, Silver, Bronze, Heroic, Iron); timeline of the First Temple vs. Second Temple periods; the 500-year intertestamental gap between the Babylonian exile (539 BCE) and the Gospels; Jubilees (49-year chronological cycles); Christian liturgical calendar cycles (Christmas season, Epiphany on January 6, Easter season).