He has lived a life crammed tight with days and days on the historic and world stage - in the last ten years anyway.
But even his beginnings and slow rise up the political hierarchy were far from mundane. His more famous moments - The killing of Osama Bin Laden, the negotiations for raising the debt ceiling, the public stand-offs with Israel, the reaching out to the Muslim world - are well known.
So Sify.com lists fifty little known moments from Barack Obama's life, since it is often the small things that matter far more than the big.
Text: Sify News Desk
Image: The silhouette of US President Barack Obama is seen as he reviews the honour guard during the welcoming ceremony at Planalto Palace in Brasilia, on March 19, 2011.