as was shown or proved by later events :
I didn't need my umbrella, as it turned out (= because it didn't rain) .
as was shown or proved by later events :
I didn't need my umbrella, as it turned out (= because it didn't rain) .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005