Flag of the British South Africa Company was first raised over Fort Salisbury. In 1893, it was raised over Bulawayo, following the Company's conquest of the Matabeleland. In 1922, Rhodesian voters voted in the Southern Rhodesian government referendum, 1922 for responsible government independent of the BSAC ahead of joining the Union of South Africa. Remaining under BSAC control was considered but was eventually not included in the final ballot. As such, the BSAC flag was lowered on 29th September 1923 by the British South Africa Police when the colony's new status as Southern Rhodesia came into being with the Union Flag becoming the only official flag. However,
Flag of the British South Africa Company the British South Africa Company merged with the Anglo-American Corporation. As the British South Africa Company flag had no formal description or definition in the Royal charter, the design of the flag is not standardised. The most common discussion was if there was a red ring around the white disk. Versions of the flag held by the National Archives of Zimbabwe (including the final flag that flew over the Magistrates Court in Bulawayo) do not have the ring on it. However, versions held by the British National Army Museum and Livingstone Museum in Zambia do. There were also discussions as