To find information on a specific holiday, click on the applicable fly-out menu from the Kultur heading above.
A good site to research holidays in general:
http://www.germanfortravellers.com/index.php?option=com_content&task=view&id=16&Itemid=30
http://www.germanfortravellers.com/index.php?option=com_content&task=view&id=16&Itemid=30