How Portugal's Carnation Revolution changed the fate of its colonies in Africa

Portugal this week marked the 50th anniversary of the Carnation Revolution – a pivotal moment in the country's history and its relationship with its African colonies. 

On 25 April 1974 – after almost half a century of dictatorship – the military coup opened a new era.

Led by low-ranking officers within the Portuguese army and backed by widespread public support, the so-called Carnation Revolution not only toppled Portugal's authoritarian regime but signalled the end of its colonial wars in Africa.

The dictatorship established by Antonio de Oliveira Salazar had been at war with national movements demanding freedom from the Portuguese empire for more than 10 years.

In the aftermath of the revolution, all five of Portugal's African colonies – Mozambique, Guinea-Bissau, Cape Verde, Angola and Sao Tome and Príncipe – swiftly gained independence. 

Those countries' heads of state were in Lisbon this week to join in the 50th anniversary celebrations – tribute to a struggle for freedom that spanned two continents.

Rebellion in Guinea-Bissau

By the spring of 1974, the battle for decolonisation was furthest advanced in Guinea-Bissau. 

The country had unilaterally declared independence from Portugal in September 1973 as after 10 years of conflict that helped drive Portugal's own push for freedom.

"Many [officers] had passed through Guinea-Bissau. There were more deaths in Guinea-Bissau than anywhere else," says Mario Cissoko, who was then part of the PAIGC rebel group. 

"We had a radio station in Conakry – Radio Libération. We communicated in Creole, Portuguese and the vernacular languages to raise awareness among all the people in areas controlled by the colonial forces," he told RFI.

"And even the Portuguese troops – we convinced them through the radio."

Young Portuguese recruits no longer wanted to do four years' military service in the country at the risk of dying in the name of a dictatorship, Cissoko says – and there were many deserters. 

"We freed them ourselves and handed them over to the International Red Cross. All that played a part in the political mobilisation of Portuguese soldiers."

Wind of change

In Mozambique, an independence agreement was signed just months after Portugal's military revolted, in September 1974, and took effect the following year.

Joaquim Chissano, who would go on to be president of Mozambique, was a guerrilla fighter with the pro-independence Frelimo movement at the time.

"We heard about the coup in Portugal on the radio," he told RFI.

He and his fellow rebels were at a training camp in neighbouring Tanzania, and soon realised the events in Lisbon could create an opening for their fight to decolonise.

At the time, Chissano recalls, "we took the attitude that the coup d'etat would be the end of fascism – perhaps – but we couldn't assume that it was the end of colonialism.

"So we had to continue the struggle until we had the conditions to have our independence."

Catalyst effect

The events of April 1974 also catalysed Angola's journey to freedom.

The country had been engaged in a gruelling war for independence since 1961. After the revolution, negotiations between the Portuguese government and Angolan liberation movements gained momentum and led to the signing of independence agreements in 1975.

Angola proclaimed independence on 11 November the same year.

Cape Verde and Sao Tome and Principe, where the movement for decolonisation had been slowest to advance, also obtained their independence under Portugal's new leaders in 1975.

While decolonisation would probably have occurred even without the Carnation Revolution, the change in regime helped accelerate the process. 

In the decades that followed, several of the newly independent countries faced a difficult transition through civil wars, corrupt leaders and proxy conflicts.

They remain some of the world's poorest countries today – while in Portugal, the far right is gaining ground for the first time in decades.