In the Colonies and former Boer Republics which became the Union of South Africa in 1910, several unofficial military decorations and medals were instituted and awarded during the nineteenth and early twentieth century. Sir Harry Smith's Medal for Gallantry is an unofficial military decoration for bravery, awarded for actions following the siege of Fort Cox in December 1850, at the beginning of the 8th Cape Frontier War. The medal was privately instituted in 1851 by Major General Sir Henry George Wakelyn Smith Bt GCB, at the time the Governor and Commander-in-Chief of the Cape of Good Hope.