Matches in DBpedia 2014 for { ?s ?p António de Saldanha da Gama, Count of Porto Santo (1778–1839) was a Portuguese plenipotentiary at the Congress of Vienna 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.. }
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- António_de_Saldanha_da_Gama,_Count_of_Porto_Santo abstract "António de Saldanha da Gama, Count of Porto Santo (1778–1839) was a Portuguese plenipotentiary at the Congress of Vienna 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.".
- António_de_Saldanha_da_Gama,_Count_of_Porto_Santo comment "António de Saldanha da Gama, Count of Porto Santo (1778–1839) was a Portuguese plenipotentiary at the Congress of Vienna 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.".