Founder presidents Mwalimu Julius Kambarage Nyerere of Tanganyika and Sheikh Abeid Amani Karume of Zanzibar signed the agreement for the unification of the two states on April 22, 1964 – in Zanzibar.
Shamte alisema Waraabu toka Oman waliivamia Zanzibar na kuikalia kibabe kwa miaka 132 tokea mwaka 1832 hadi 1964 hadi pale chama cha ASP kilipofanya ukombozi wa haki kupitia njia ya Mapinduzi ya damu Januari 12, 1964.