This took some research since I have not been playing the game for that long. At least it doesn't feel like I have. So here it goes, these are my guesses,
1 Winter Event
2 Forge Bowl Event
3 Fall Event
4 May Day Event
5 Spring Lanterns Event
6 Summer Event
7 St Patrick's Day Event
8 Trick or Treat Halloween Event
Can you at least let me know if any are right. Even if I don't win, I would like to know haha.