PHILADELPHIA (WPVI) -- If the waves of people coming into the National Constitution Center on Monday afternoon were any indication, many people took Presidents Day as an opportunity to learn about our ...

The 1977 shutdown, which held the record for the longest in U.S. history for just 12 months, was sparked by disagreements ...

WASHINGTON (WCSC) - The nation’s 17th president signed a proclamation in 1866 declaring the end of the Civil War, more than a year after the Confederate surrender. President Andrew Johnson said in ...

Presidents have invoked this throughout history -- but normally not against the wishes of local leaders except to enforce federal law.