Board Thread:Game Discussion/@comment-27048832-20170417191024/@comment-27945602-20170417205144

Yes. Among 3 of the events you can select one and start. And it looks like permanently included into the game? According to game

'Flashback Events are avilable for the entire update. Once you start an event, the others are locked until it is finished. After starting a Flashback Event, you have a limited number of days to complete it. After that, it's over for the rest of the update'