(1):

(n. pl.) A periodic publication, containing records of discoveries, transactions of societies, etc.; as "Annals of Science."

(2):

(n. pl.) Historical records; chronicles; history.

(3):

(n. pl.) A relation of events in chronological order, each event being recorded under the year in which it happened.

(4):

(n. pl.) The record of a single event or item.