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 A government shutdown could mean permanent layoffs. Retirement savings catch-up plans are about to change. FCC chief gets crushed by cat litter in new South Park. Amazon just got hit with a hefty fine. See 1 photo Report an error