Politics | Donald Trump Watch Donald Trump Get Sworn Into Office It's official By Michael Harthorne Posted Jan 20, 2017 11:15 AM CST Copied Watch Donald Trump Get Sworn Into Office Chief Justice John Roberts swears in Donald Trump as the 45th president of the United States on Friday. (CNN) Donald Trump was sworn in as the 45th president of the United States on Friday in Washington, DC. CNN has the video of Chief Justice John Roberts administering the oath of office. Read These Next US deports more than 100 Iranians. Johnny Carson's stunning former home is for sale. A showbiz power couple of nearly 20 years isn't doing well. Jon Stewart slams the media over new trend after mass shootings. See 1 photo Report an error