Plural-only common noun meaning historical records; singular form annal is rare.
Translations
The monastery kept detailed annals of local happenings.
Монастырь вел подробные летописи местных событий.
Definitions
Historical records of events arranged in chronological order, typically year by year. The monastery kept detailed annals of local happenings.
The recorded history or story of a particular field, institution, or period. Her discovery secured her a place in the annals of medicine.