Erollisi Day begins on February 5th and ends on February 19th. There are 2 Quests and 2 Collection Sets for Erollisi Day.
http://special.eqresource.com/erollisiday.php
Along with these there are 2 sets of Collections, these are simply Ground Spawns found throughout Halas and Neriak A.
Completion of all tasks and collections rewards you with the following:
Broken Heart Nimbus
Crown of Roses Nimbus
Love's Expression
Packed Picnic Basket