Here’s an internet flag meme from 2009.
Dance Dance World Revolution is an avatar dance meme featuring anime characters dressed in the color schemes of different country flags. It began as a fan artist’s tribute to the anime series Hetalia: Axis Power on DeviantArt and spread to Youtube, where it reached an international status with contributions from all over the world. –From Know Your Meme®
Dance Dance Nordics Revolution. Original animation by ankouzai @ DeviantArt – edited and music added by Jansutti.