Some examples:
Birth of Draco Part 2 - Mar 13 to April 3, 2013
https://www.lineage2.com/en/news/eve...aco-part-2.php
Valentine Cakes - Feb 13 to Mar 6, 2013
https://www.lineage2.com/en/news/eve...cakes-2013.php
Rise to Arms - Jan 23 to Feb 13, 2013
https://www.lineage2.com/en/news/eve...se-to-arms.php
Kaliel's Blessing - Dec 12, 2012 to Jan 2, 2013
https://www.lineage2.com/en/news/eve...s-blessing.php
Memorable Raid Bosses - Oct 31 to Nov 14, 2012
https://www.lineage2.com/en/news/eve...-raid-boss.php
Cursed Swords GM Event - Sep 12 to Sep 26, 2012
https://www.lineage2.com/en/news/eve...s-gm-event.php
Birth of Draco Part 2 - Mar 13 to April 3, 2013
https://www.lineage2.com/en/news/eve...aco-part-2.php
Valentine Cakes - Feb 13 to Mar 6, 2013
https://www.lineage2.com/en/news/eve...cakes-2013.php
Rise to Arms - Jan 23 to Feb 13, 2013
https://www.lineage2.com/en/news/eve...se-to-arms.php
Kaliel's Blessing - Dec 12, 2012 to Jan 2, 2013
https://www.lineage2.com/en/news/eve...s-blessing.php
Memorable Raid Bosses - Oct 31 to Nov 14, 2012
https://www.lineage2.com/en/news/eve...-raid-boss.php
Cursed Swords GM Event - Sep 12 to Sep 26, 2012
https://www.lineage2.com/en/news/eve...s-gm-event.php