River in South Africa, the chief tributary of the Orange River. It rises in the Drakensberg mountain range, on the border of Swaziland, and is 805 km/500 mi long.
White, blue, and red became known as the pan-Slavic colours, influencing many other Eastern European flags. White, blue, and red are also the colours of the arms of the Duchy of Moscow. Effective date: 11 December 1993.