Mozambique was declared a Portuguese province by the 19th century.

Foreign investment in the Portuguese overseas provinces was outlawed so that Portugal would benefit directly.

In actuality, it was just an honorific title for the Algarve based on its history and was very similar to the rest of the Portuguese provinces.

The expanding economy of the Portuguese overseas province was fuelled by foreign direct investment, and public investment which included ambitious state-managed development plans.

Of particular interest was the communiqué's reference to "Portuguese provinces in the Far East".

By the 1960s, several organizations were founded to support independence's claims of the Portuguese overseas provinces in Africa.

Beira Baixa was a Portuguese province.

Ethnic African inhabitants of the Portuguese overseas provinces were ultimately supposed to become full citizens with full political rights through a long development process.

Alto Alentejo was a Portuguese province.

Galvão later announced that his original intentions for this operation were to sail the ship to the Portuguese overseas province of Angola.