"Estado de Angola''"@en . . . "1975-11-11Z"^^ . "1575Z"^^ . . "Portuguese Angola or Portuguese West Africa are the common terms by which Angola is designated when referring to the historic period when it was a Portuguese overseas territory in southwestern Africa."@en . "1975Z"^^ . "Angola"@en . "Province of Angola"@en . "State of Angola"@en . "''Prov\u00EDncia de Angola"@en . .