When you have connected your private calendar under your account settings, the following events will sync automatically to your calendar:
The final option for group polls you have created and closed
The final option for group polls that you have participated in
1:1 meetings that others book with you / you book with others
Booking page meetings that others book with you / you book with others
Sign up sheet sessions you have created with your calendar connection enabled for your sign up sheet event
Sign up sheet sessions for which you have registered
The following events will not sync automatically to your connected calendar
Tentative dates for polls you create or participate in
The date selections of other participants