Quintana Roo, officially the Free and Sovereign State of Quintana Roo, is one of the 31 states which, with Mexico City, constitute the 32 federal entities of Mexico. It is divided into 11 municipalities, and its capital city is Chetumal.
https://github.com/davepinch/pinchy.cc/blob/master/content/topics/places/subdivisions/mexico/quintana-roo/wikipedia/en.wikipedia.org.md
Sir William Herschel first observed Uranus on 13 March 1781, leading to its discovery as a planet, expanding the known boundaries of the Solar System for the first time in history and making Uranus the first planet classified as such with the aid of a telescope.