Which of these details is an anecdote?

archeologists have found proof that ancient peruvians enjoyed popcorn as far back as 3600 bce.
adding raisins and almonds to popcorn is one way of enhancing the its flavor while retaining its healthy qualities.
as a young child, i remember loving the taste of popcorn when i went to the movie theater.
popcorn gained popularity as a snack during the great depression when sugar became very expensive.