While the award won praise from such statesmen as Nelson Mandela and Mikhail Gorbachev, both Nobel laureates, it was also attacked in some quarters as hasty and undeserved.
Afghanistan's Taliban mocked the award, saying Obama should get a Nobel prize for violence instead.
Taliban spokesman Zabihullah Mujahid said it was absurd to give a peace award to a man who had sent 21,000 extra troops to Afghanistan to escalate a war.
"The Nobel prize for peace? Obama should have won the 'Nobel Prize for escalating violence and killing civilians'," he told Reuters by telephone from an undisclosed location.
The Taliban? The Taliban? You got a fucking quote from the Taliban?
You know we’re at war with them, right?
That's the best you could do? That's who's on your speed-dial?