The Historical Flags quiz covers former countries and empires — flags that no longer fly officially but shaped the geopolitical map: the Soviet Union, Yugoslavia, Czechoslovakia, Austro-Hungary, the Ottoman Empire, the Russian Empire, the Holy Roman Empire, the Confederate States and more. These flags are the visual shorthand for whole epochs of history. Recognising them is essential for anyone serious about modern history, military history, or geopolitics — and it makes you noticeably better at the standard world flag quiz too, because so many modern flags evolved directly from these designs (Russia's tricolour, the post-Soviet republics, the post-Yugoslav states). Play any mode with the Historical pack. Training is the natural starting point because the question pool is small enough to learn in a single session.