What does annals mean?
The definition of annals
An”nals, n. pl.
Etym: [L. annalis (sc. liber), and more frequently in the pl. annales (sc. libri), chronicles, fr. annus year. Cf. Annual.]

1 A relation of events in chronological order, each event being recorded under the year in which it happened. “Annals the revolution.” Macaulay. “The annals of our religion.” Rogers.
2 Historical records; chronicles; history. The short and simple annals of the poor. Gray. It was one of the most critical periods in our annals. Burke.
3 sing.
The record of a single event or item. “In deathless annal.” Young.
4 A periodic publication, containing records of discoveries, transactions of societies, etc.; as “Annals of Science.”

Synonyms
— History. See History.