Have you heard the saying that 'everyday is a holiday'? Actually it is!! A fun way to get your school day off and running is to take 5 to 10 minutes to feature the holiday of the day. There are many things you can do - and activity sheet - a web based scavenger hunt - a costume day - a video---featuring that particular holiday.
Here's an example! Today is George Washington's birthday. Start out with trivia based fun facts.
What did George Washington eat for breakfast? Did he really have wooden teeth? What was his favorite food? Here'a good source to find those answers: http://www.thequestingfeast.com/articles/George_Washington_Food.html
The Men on the Mountain activity is a good follow up to this discussion.