This is the 10646th most frequent Catalan word.
recordades
"Recordades" means "remembered" in English.
Here, 'recordades' functions as a past participle used adjectivally to describe 'històries' (stories) newly recalled or remembered from memory.
Les històries recordades dels avis són fascinants.
The stories remembered by the grandparents are fascinating.
In this sentence, 'recordades' is part of a passive construction, indicating that the action of remembering has been performed on the subject ('Són' - they).
Són recordades amb afecte per tots nosaltres.
They are remembered fondly by all of us.
Here, 'recordades' modifies 'dates', specifying dates that were actively recalled and subsequently noted.