Barack Obama was the 44th president of the United States, and the first African American to serve. He served two terms from 2009 to 2017, when he was replaced by President Donald Trump. Before the presidency, Obama served as an Illinois Senator and a US Senator. Born in Honolulu, Hawaii, Barack Obama had to overcome the difficulty of having multiracial parents at a time when that was frowned upon. Through his childhood and teenage years, he struggled with issues of identity. Things began to make sense when he graduated from Columbia University and began working in Chicago communities. After graduating from Harvard Law School, he became a civil rights attorney and professor. He ran for president in 2008 and won, staying in office until 2017. He is definitely a 21st century president and was the first president to upload his weekly addresses to YouTube.