The Union of SOUTH AFRICA  is the historic predecessor to the present-day state of the Republic of South Africa. It came into being on 31 May 1910, as a result of the consolidation of the British Colonies in the Southern Africa region under one system of government.

Official name The Union of South Africa
The land area (km2) 2,045,320 
Population ( 1961 est.) 18,216,000 
Languages Afrikaans, Dutch, English
Capital Pretoria