1890 British Ultimatum

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The 1890 British Ultimatum was an ultimatum by the British government delivered on 11 January 1890 to the Kingdom of Portugal. Portugal had attempted to claim a large area of land between its colonies of Mozambique and Angola including most of present-day Zimbabwe and Zambia and a large part of Malawi, which had been included in Portugal's "Rose-coloured Map". The ultimatum led to the withdrawal of Portuguese forces from areas which had been claimed by Portugal on the basis of Portuguese exploration in the area, but which Britain claimed on the basis of uti possidetis. It has sometimes been claimed that the British government's objections arose because the Portuguese claims clashed with its aspirations to create a Cape to Cairo Railway, linking its colonies from the south of Africa to those in the north. This seems unlikely, as in 1890 Germany already controlled German East Africa, now Tanzania, and Sudan was independent under Muhammad Ahmad. Rather, the British government was pressed into...

Read on Wikipedia · Image Oliveira, Antonio Augusto de (18..-19..?). Auteur du texte, Public domain