There will never be a question on the AP World History exam that specifically requires you to remember a date. However, you do need to know the timeline of events to place cause and effect. Plus, you can earn evidence points for knowing dates. The following are the most important dates to remember:
Study Tip: Create your own quizlet deck and study these dates! There are tons of decks already made with these dates (ex.
here), but actually creating the deck is an important step in studying.