So far, the United States has had 45 presidents in its roughly 250-year history. Most people can name some of them—but can ...

The Insurrection Act has been used on 30 occasions in U.S. history, according to a think tank. It hasn’t been used in more than 30 years. Seventeen of the country’s 45 presidents, about 37%, have ...

Amid President Trump's controversial plan to add a ballroom to the White House, a look back at history shows other ways ...