Late 5th-Beginning of 4th B.C. Late 2nd-Early 1st B.C. 1st-3rd B.C. 1st A.D. Late 2nd B.C.-86 B.C. Very early years of 1st A.D. 2nd quarter of 1st A.D. Middle of 4th B.C. 1st-Early 2nd A.D. 1st half of 3rd A.D. 1st half of 4th B.C. End of 1st quarter of 5th B.C. 480-479 B.C. 300 B.C.-Early years of 3rd B.C. Turn of the era 4th quarter of 3rd B.C. Early 3rd B.C. 3rd quarter of 2nd B.C.
3rd-4th quarter of 5th B.C. 480-479 B.C. 1st half of 6th B.C. 4th quarter of 5th B.C. Early 1st A.D. (Augustan) 2nd half of 4th B.C. Late 1st B.C.-Early 1st A.D. 150 B.C. Middle of 6th B.C. Early 1st A.D. 430-420 B.C. 2nd quarter of 4th B.C. 3rd quarter of 6th B.C. 3rd quarter of 7th B.C. 1st B.C. 1st A.D. 350-320 B.C.