The Comorros islands .During the 19th century there were quite a few immigrants from the Commores living in Zanzibar. There was even a Commore quarter in Zanzibar city.
In 1866 the large sultanate Ndzuwani on Anjouan island in de Commores was made a French protectorate. The French, the British and the Germans wanted to exercise power and trade on the Commores. On 24 June 1886, the islands of Ngazidja or (Grande Comore in French) comprised eleven sultanates, but, in 1886, the Sultan Tibe (paramount ruler and Sultan) of Bambao unified them, Ndzuwani (Anjouan), and Mwali sultanate (Mohéli island in French) became French protectorates, French residents were posted on the three islands;
On 5 September 1887 they were collectively renamed Protectorate of the Comoros. In 1892 Sultan Said Ali bin Said Omar was banished to Reunion. On 9 April 1908, France declared the Comoros a dependent territory of its Madagascar colony. On 25 July 1912, the island was annexed by France and joined with Mayotte as Mayotte and dependencies, after the ratification on 23 February 1914 subordinated to the governor general of Madagascar (Comoros dependent colony). Said Ali bin Said Omar went to court. The French judges awarded him a re-compensation for his losses. Saidi Ali ibn Saidi Omar died February 10, 1916 in Tamatave on Madagascar. Added a later postcard (around 1900) with two Arabs from the island Anjouan also in Omani dress reflecting again the influence of the Arabs of Zanzibar on other islands in the region.