You can Favourite your events to store them in the cloud and save them for later.
To "favourite" an event, select the “star” icon located in the event thumbnail:
To review your favourited events, either:
Select the Bookmarks event filter. Please note that this shows all bookmarked events, including favourites:
Select the Add Filter button next to the Events page search bar, then search for the "Favourite" filter > select Yes > Add: