Since there is a holiday of Juneteenth:
http://en.wikipedia.org/wiki/Juneteenth
It might now be appropriate to have another holiday on Inauguration Day called Janteenth, since it would commemorate the inclusiveness of this American society in the 21st century, having elected Obama.
Now, if it can be alongside (on the calendar) of Dr. Martin Luther King Day, we can possibly have another four day weekend.