his·tor·i·cal 
(hĭ-stôrĭ-kəl, -stŏr-)
(hĭ-stôrĭ-kəl, -stŏr-)adj.
1.
a. Of or relating to history; concerned with past events: a historical account.
b. Based on past events or set in the past: a historical novel.
c. Used in or providing evidence of the past: historical costumes; historical records.
2. Concerned with phenomena as they change through time: a historical dictionary.
3. Important or famous in history. See Usage Note at historic.
his·tori·cal·ly adv.
his·tori·cal·ness n.