It's 50 years since Swedish pop group Abba won the 1974 Eurovision Song Contest. The victory provided a platform for the band to become one of the most popular and successful musical groups of all time. Abba's current manager, Görel Hanser, has been with them every step of the way.  In a rare interview, she speaks to Matt Pintus about the band's meteoric rise to stardom. She also talks about Abba's break-up, the rumour that they were offered $1 billion to get back together and whether Abba Voyage will move to a new country.  (Photo: ABBA pictured in 1974. Credit: Getty Images)

Fifty years of Abba

History as told by the people who were there.

History

Society & Culture

In 1961, the American psychologist Stanley Milgram began a series of controversial experiments on ‘obedience to authority’. His study aimed to show how ordinary people could be capable of committing evil acts, if ordered to do so.  He wanted to understand the psychology behind genocide, telling the BBC: “How is it possible that ordinary people who were courteous and decent in everyday life, can act callously, inhumanely, without any limitations of conscience?” During the tests, participants were led to believe that they were assisting an unrelated experiment, in which they had to administer electric shocks to another person. These fake shocks gradually increased to levels that would have been harmful had they been real volunteers. Vicky Farncombe looks back at the experiment, using BBC archive. This programme includes original recordings of the experiments which listeners may find disturbing. (Photo: Stanley Milgram beside the shock generator. Credit: BBC)

How the Milgram 'obedience' experiment shocked the world

It’s 70 years since General Alfredo Stroessner seized power in Paraguay in a military coup.  Stroessner remained in power for almost 35 years, before being toppled in 1989. More than 450 people were murdered under Stroessner's rule, with the fate of thousands more unknown. They are remembered as 'the disappeared' of Paraguay.  One man has dedicated his life to finding the victims of Stroessner's dictatorship, including the remains of his own father.  Rogelio Goiburu shares his story with Matt Pintus. (Photo: Rogelio Goiburu digging for the remains of Paraguay's 'disappeared'. Credit: Getty Images)

Finding the victims of Stroessner's Paraguay

On 13 December 1990, the anti-apartheid politician Oliver Tambo returned to South Africa after 30 years in exile.  As the president of the banned African National Congress (ANC), he had lived in Zambia building the liberation movement while other key ANC members including Nelson Mandela and Walter Sisulu were political prisoners.  By lobbying around the world and attracting talented South African exiles such as Thabo Mbeki, he built the organisation into a legitimate contender for government.  When President FW de Klerk unbanned the ANC, Oliver or OR Tambo was finally able to return home where he was greeted by a crowd of thousands at the airport. Oliver Tambo’s son, Dali Tambo, recalls to Josephine McDermott how his father and other ANC exiles danced in the aisle of the plane as they crossed into South African airspace. (Photo: Oliver Tambo at Jan Smuts Airport. Credit: AP/John Parkin)

Oliver Tambo returns to South Africa from exile

Brenda Fassie was one of South Africa's biggest pop stars in the late 1980s. The singer’s career nosedived in 1990, but her comeback saw her dubbed the 'Madonna of the townships' by Time magazine. Yvonne Chaka Chaka, born a year after Brenda, was perhaps the only South African pop star who could rival her popularity. Twenty years ago, in 2004, Brenda died Yvonne celebrates Brenda's life with Ben Henderson. (Photo Brenda Fassie, a South African pop star, performing on stage. Credit :ALEXANDER JOE/AFP via Getty Images.)

Brenda Fassie: Madonna of the townships

In August 2002, the remains of an indigenous South African woman called Sarah Baartman were returned to South Africa after almost 200 years away. Sarah died in Paris in 1815 after being forced to perform in European 'freak shows' where people considered to be biological rarities were paraded for entertainment. She had been subjected to racist and degrading treatment and her remains were exhibited at a French museum until 1976.  When Nelson Mandela became the president of South Africa in 1994, he requested that Sarah's remains be returned to her homeland. However, by 1998 that had not happened. Poet Diana Ferrus decided to write about Sarah’s limbo. Her poem became so popular that it was noticed by politicians in France. Diana shares her memories of that time with Matt Pintus. This programme contains discriminatory language. (Photo: Sarah Baartman likeness at French museum. Credit: Getty Images)

Fifty years of Abba

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