Congo Flag and Description Congo Flag Buy this flag,or any country flag here DESCRIPTION The Congo flag was officially adopted on November 20, 1959. It features red, yellow and green, the official Pan-African colors. all Country Flags here! Map of Congo here! Other helpful pages on WorldAtlas How Many Countries are in the World? World's Largest Cities Complete List of Country & Dialing Codes Map of Las Vegas Hotels and Casinos Trending on WorldAtlas The Richest Countries In The World The Largest Countries in the World The 10 Smallest Countries In The World Most Dangerous Cities in the World The 25 Safest Countries In The World 29 Largest Armies In The World This page was last modified on July 12, 2016.