Today I say to you that the challenges we face are real. They are serious and they are many. They will not be met easily or in a short span of time. But know this, America - they will be met.
President Barack Obama
Barack Obama has been officially inaugurated as the 44th President of the United States of America. It's been a momentous, exciting and emotional day. I feel proud to be an American. Which is strange, considering I'm British.
You can read, watch and listen to President Obama's Inauguration address at the Guardian website, by clicking here.