The Zanzibar Revolution (Swahili: Mapinduzi ya Zanzibar; Arabic: ثورة زنجبار, romanized: Thawrat Zanjibār) began on 12 January 1964 and led to the overthrow of the Sultan of Zanzibar Jamshid bin Abdullah and his mainly Arab government by the island's majority Black African population.
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The 63rd anniversary falls on January 12, 2027.