Revolt in March 1921 by sailors of the Russian Baltic Fleet at their headquarters in Kronstadt, outside Petrograd (now St Petersburg). On the orders of the leading Bolshevik, Leon Trotsky, Red Army troops, dressed in white camouflage, crossed the ice to the naval base and captured it on 18 March. The leaders were subsequently shot.
The flag was said to represent the nation's hope for a green revolution in agriculture. Green expresses the people's Muslim faith. Effective date: 20 November 1977.