President Abraham Lincoln issued his famous “Proclamation of Thanksgiving” on Oct. 3, 1863, with the Civil War still raging.

A seminal mid-century paper by the psychologist George Miller asserted that the human brain can hold seven items in ...

On January 7, 1861, Virginia Gov. John Letcher proposed that delegates from every state gather in Washington, D.C. for a ...

Originally a staple of Newsweek 's print edition, Conventional Wisdom used arrows to track whose stock was rising or falling ...