Emancipation Day has been an official public holiday in D.

FORBES: When Are 2011 Taxes Due? Hint: It's Not

Emancipation Day was made an official public holiday in the District of Columbia back in 2005, and it was also responsible for pushing back the tax filing deadline from April 16 to April 17 in 2007.

FORBES: When are 2010 Taxes Due? Hint: Not

The day is being marked as a public holiday in Lebanon with official celebrations to mark the liberation.

BBC: Israel downs Lebanese plane