No, this event is not in-game .. They have this event in a Official Christmas Event page that published around december, before christmas .. posted in the News Section of the forums title "Christmas Event Preview" .. It includes 4 types of Site events, first is that one the Daily Sign-In event where you need to sign-in daily just like the one in-game and you will get a 1 point per day that you c*e in the second site event, the Christmas Wheel that is similar with the Group Wheel where you will use 3 points to spin and get some prizes .. Third one is the Share Event, where you need to Share something to your facebook account and it will give you a Activation Code .. and the last event was the Festival Quiz where you need to answer 5 questions correctly, and if you successfully finished the quiz, you will get 1 Activation Code too(contains Medrefines,Advrefines,Coupons) ..