Historical Flag Quiz Take a test and see how well do you know these historical flags. This test is VERY HARD! You will need 3 right to pass the test. Test your knowledge or LUCK! juhouh published on January 26, 2016 Stacked 1/8 Which flag? Persia Benin Empire Ottoman Empire 2/8 Which flag? Denmark–Norway Kalmar Union United Kingdoms of Sweden and Norway 3/8 Which flag? Biafra Nigeria Benin 4/8 Which flag? Russian SFSR Kazakh SSR Karelo-Finnish SSR 5/8 Which flag? Grand Duchy of Moscow Russian Tsardom Russian Empire 6/8 Which flag? First Republic of Brazil Empire of Brazil Eastern Republic of Uruguay 7/8 Which flag? Kingdom of Joseon Empire of Japan Korean Empire 8/8 Which flag? Qing Dynasty Myanmar Mongolian Empire