Meaning of “learn about/of sth” - Learner’s Dictionary

learn about/of sth

phrasal verb with learn uk us /lɜːn/ verb (past tense and past participle learned, also UK learnt /lɜːnt/)

to hear facts or information that you did not know:

We only learned about the accident later.

(Definition of “learn about/of sth” from the Cambridge Learner’s Dictionary © Cambridge University Press)