Thanksgiving is Thursday, November 22 this year. If you need materials to cover this American holiday, then there are two 400-500 word articles available at Heads Up English.

For upper-intermediate learners, there is THANKSGIVING
http://www.headsupenglish.com/index.php?option=com_content&task=view&id=217&Itemid=50

For advanced learners, there is THE FIRST AMERICANS
http://www.headsupenglish.com/index.php?option=com_content&task=view&id=218&Itemid=52

Plus materials for listening practice, speaking practice, and weekly lessons on current events.

Chris Cotter
Heads Up English - Just print and teach!