What did barack obama do as president

U.S. presidential administration from 2009 to 2017

For a chronological guide, see Timeline of the Barack Obama presidency.

Barack Obama's tenure as the 44th president of the United States began with his first inauguration on January 20, 2009, and ended on January 20, 2017. Obama, a Democrat from Illinois, took office following his victory over Republican nominee John McCain in the 2008 presidential election. Four years later, in the 2012 presidential election, he defeated Republican nominee Mitt Romney, to win re-election. Obama is the first African American president, the first multiracial president, the first non-white president,^[a] and the first president born in Hawaii. Obama was succeeded by Republican Donald Trump, who won the 2016 presidential election. Historians and political scientists rank him among the upper tier in historical rankings of American presidents.

Obama's accomplishments during the first 100 days of his presidency i