Name all the countries of the world. Once you name a country it will appear on the map. To put on countries with no other name, put in the "none" and they will appear. Coding thanks to https://www.jetpunk.com/user-quizzes/6121/countries-of-the-world-with-an-empty-map
A little confusing. Some are historical names, but not all from the same period of history. Some are just the current name in a different language, or the full name instead of an abbreviated name.