Barack Obama is the first (and second) African American president of the United State. He also go was the first elected president of the Harvard Law Review (perhaps a sign of things that came less then 20 years later). He comes from a very diverse family and has family ties in many parts of the world, which is a great thing.
The election of president Barack Obama made worldwide news back in 2008. I think for most people around the world it was totally unexpected. For me it made me realized that I underestimated how much the United States had grown, 40 years after the death of Martin Luther King and 45 years after the death of John F. Kennedy. Not that it's perfect, but it's better. His election definitely brought a wave of positive changes, especially when the idea of an African American president until then, was more of a funny story than a possibility. I remember laughing at "Black Bush" skits on the Dave Chappelle Show. I wish I would have been able to see Chappelle's reaction to the latest address about the States' plans for Mars. I also wish I would have seen the reaction of Barack watching that particular skit from Chappelle about going to Mars. In any case, his election is a significant part of Black History.