António de Saldanha da Gama, Count of Porto Santo (Lisbon, 5 February 1778 – 1839) was a

Portuguese Portuguese may refer to: * anything of, from, or related to the country and nation of Portugal ** Portuguese cuisine, traditional foods ** Portuguese language, a Romance language *** Portuguese dialects, variants of the Portuguese language ** Portu ...

politician, navy officer, diplomat and colonial administrator. He was the Portuguese plenipotentiary at the

Congress of Vienna The Congress of Vienna (, ) of 1814–1815 was a series of international diplomatic meetings to discuss and agree upon a possible new layout of the European political and constitutional order after the downfall of the French Emperor Napoleon B ...

in 1815. While at the Congress he signed a number of treaties and documents on behalf of Prince Regent John of Portugal including the ''Declaration of the Powers, on the Abolition of the Slave Trade'', on 8 February 1815. He was governor of the Portuguese colony

Maranhão Maranhão () is a state in Brazil. Located in the country's Northeast Region, it has a population of about 7 million and an area of . Clockwise from north, it borders on the Atlantic Ocean for 2,243 km and the states of Piauí, Tocantins and ...

(northern Brazil) between 1804 and 1806, and of

Portuguese Angola Portuguese Angola refers to Angola during the historic period when it was a territory under Portuguese rule in southwestern Africa. In the same context, it was known until 1951 as Portuguese West Africa (officially the State of West Africa). I ...

between 1807 and 1810. He was created count of

Porto Santo Porto Santo Island () is a Portuguese island northeast of Madeira Island in the North Atlantic Ocean; it is the northernmost and easternmost island of the archipelago of Madeira, located in the Atlantic Ocean west of Europe and Africa. The muni ...

on 26 October 1823.

References

1778 births 1839 deaths 18th-century Portuguese people 19th-century Portuguese people People from Lisbon Governors of Portuguese Angola S {{Portugal-noble-stub