It's always fun to learn those little Amrican cultural things that you don't know about as a foreigner. I never knew there was an acronym to remember to colors of the rainbow in English. And this drove home that I should probably try to learn the national anthems lyrics as well.
Lands can be kingdoms. Not calling it a 'kingdom' does not exclude a land from being a kingdom. Plus that is how the saying goes. Our one-eyed friend could easily be the president of the republic of the blind or the jefe of the blind cartel- but Quizmaster has it right on this one.
The Netherlands, Thailand, Scotland, England, Swaziland, and formerly Poland, Ireland, Finland, famous the world over for never having kings because of the English suffix -land.
Country of the Blind should work as well. See citation here https://quotepark.com/quotes/1937592-desiderius-erasmus-in-the-country-of-the-blind-the-one-eyed-man-is-ki/