In a statement about the renewal, HBO exec Francesca Orsi praised Fellowes and the cast and crew for creating “a ‘can’t-miss it’ entertainment experience from week to week, and we’re delighted to continue exploring these characters’ grand ambitions for what we promise will be a thrilling fourth season.”

In an era when the richest of the rich didn’t pay income tax, here’s how the ultrawealthy fared during the Gilded Age.