Witness History Folgen

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)

April 1994 was the start of the Rwandan genocide, 100 days of slaughter, rape and atrocities.As part of the Tutsi ethnic group, Antoinette Mutabazi’s family were a target for the killings.So her father told her to run, leaving her family behind. She was just 11 years old.As a survivor of the genocide, she speaks publicly about reconciliation and forgiveness. She tells Rosie Blunt her story.(Photo: Antoinette as an adult. Credit: HMDT)

Nato - the North Atlantic Treaty Organization - was formed in 1949 by 12 countries, including the US, UK, Canada and France.Its aim was to block expansion by the then Soviet Union - a group of states which included Russia.The UK’s foreign secretary at the time, Ernest Bevin, played a key role in persuading the US to join the alliance.This programme, produced and presented by Vicky Farncombe, tells the story of Nato's founding using archive interviews.(Credit: Ernest Bevin signs the North Atlantic treaty. Credit: Getty Images)