Holiday Event Timeline

2009

 * April 1, 2009 - April Fools' Day
 * Uncatchable Eggs prank

2010

 * April 4, 2010 - Easter
 * Festival of Eggs - 2010 event
 * October 27, 2010 - Halloween
 * Trick or Treat - 2010 event
 * December 25, 2010 - Christmas
 * Tree Decorating event with contest and Holiday Raffle

2011

 * April 1, 2011 - April Fools' Day
 * Carrot Cave prank
 * April 23, 2011 - Easter
 * Festival of Eggs - 2011 event
 * October 27, 2011 - Halloween
 * The Haunted House event
 * December 14, 2011 - Christmas
 * Holiday Tales, Wreath Decorating, Holiday Raffle and Christmas 2011 Dragon Dress Up

2012

 * February 14, 2012 - Valentine's Day
 * Send a Valentine event
 * April 1, 2012 - April Fools' Day
 * Dino Cave prank
 * April 8, 2012 - Easter
 * Festival of Eggs - 2012 event
 * October 25, 2012 - Halloween
 * Haunting in Aliset, Trick or Treat - 2012 and Halloween 2012 Dragon Dress Up
 * December 18, 2012 - Christmas
 * Holiday Cooking, Gingerbread House Decorating and Holiday Raffle

2013

 * February 14, 2013 - Valentine's Day
 * Send a Flower event
 * April 1, 2013 - April Fools' Day
 * Biggest Release Ever prank
 * March 31, 2013 - Easter
 * Festival of Eggs - 2013
 * October 25, 2013 - Halloween
 * Halloween Carnival event and Trick or Treat - 2013
 * December 19, 2013 - Christmas
 * Snow Wars and Holiday Raffle

2014

 * February 14, 2013 - Valentine's Day
 * Valentine's Gardening - 2014 event
 * April 1, 2014 - April Fools' Day
 * The Dragon Encyclopedia prank
 * April 20, 2014 - Easter
 * Festival of Eggs - 2014
 * October 25, 2014 - Halloween
 * Trick or Treat - 2014
 * December 19, 2014 - Christmas
 * Snow Warning - 2014 and Holiday Raffle

2015

 * February 14, 2015 - Valentine's Day
 * Dragon Matchmaking event
 * April 5, 2015 - Easter