Barack Obama became the first African American President of the United States when he was elected in 2008 and took office in January 2009. His election was a historic moment in American history, symbolizing significant progress in racial equality and representation. Obama's presidency focused on several key issues, including healthcare reform, economic recovery from the Great Recession, and foreign policy challenges. His administration also emphasized inclusivity and diversity, making strides in various social issues. Obama served two terms and left a lasting legacy in American politics and global affairs.