King did, in fact, visit Seattle in 1961. The King County Council renamed the county for Dr. King back in 1986, but apparently it counts for more when the state does it.
So here's the trivia question: who was King County named after in the first place?
(Here's a hint for the extreme Jeopardy players out there: it's named after the vice president under Franklin Pierce.)
Answer: William Rufus Devane King, a longtime U.S. senator from Alabama. He died shortly after becoming vice president in 1853.