The United State's very first African-American President, Barack Obama turns 57 today. He is widely known for successfully serving as the President of the United States two times in a row between 2009 and 2017. Obama introduced many important policy reforms during his tenures such as the 'Patient Protection and Affordable care act' and ending the ban on Transgender people to serve in the US armed forces. Watch this video to remember a few of his important efforts during his Presidency.