One thing I noticed was that (based on Wikipedia's timeline of national flags), Liechtenstein should be a vertical Red and Blue Stripe rather than the current one shown in this quiz.
https://en.wikipedia.org/wiki/Timeline_of_national_flags
One thing I noticed was that (based on Wikipedia's timeline of national flags), Liechtenstein should be a vertical Red and Blue Stripe rather than the current one shown in this quiz.
https://en.wikipedia.org/wiki/Timeline_of_national_flags