Chronology \Chro*nol"o*gy\, n.; pl. Chronologies. [Gr. ?; ? time + ? discourse: cf. F. chronologie.]

The science which treats of measuring time by regular divisions or periods, and which assigns to events or transactions their proper dates.

If history without chronology is dark and confused, chronology without history is dry and insipid. --A. Holmes.

Source: Webster's Revised Unabridged Dictionary (1913)