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Prosecutor Gian Carlo Caselli explains how leading Italian politician Giulio Andreotti was put on trial in Sicily in September 1995, accused of collusion with the Mafia. Andreotti had been prime minister seven times and journalists dubbed it the trial of the century. Bob Howard has been hearing from Gian Carlo Caselli about compelling evidence that Andreotti had met the Mafia kingpin Stefano Bontade and even knew in advance of the planned assassination of the president of the Sicilian regional government, Piersanti Matarella.Photo: Giulio Andreotti in 1983. Credit: Mondadori Portfolio/Getty Images

29 Sep 20209min

The charismatic Egyptian president dominated Arab politics for almost two decades up until his death on September 28th 1970. His funeral was attended by millions of grief-stricken Egyptians. In 2010 Mike Gallagher spoke to an ordinary Egyptian who remembered his death, and its aftermath. This programme is a rebroadcast.Photo: Crowds in Cairo mourning Nasser on October 1st 1970. Credit: Fred Ihrt/LightRocket via Getty Images.

28 Sep 20208min

The US presidential election of 2000 was one of the closest and most contested in history. It was more than a month before the result was decided after a Supreme Court decision. It all came down to the vote in Florida, a 'swing-state', where irregularities and technical problems added to the confusion. In the end it's thought there were just a few hundred votes in it, but years later, the result, and the handling of the election in the state, divides opinion. Callie Shell was the official photographer for Al Gore's presidential campaign and documented the dramatic events behind closed doors in pictures. She's been telling Rebecca Kesby what it was like to be there.

25 Sep 202012min

On 16 September 2007 private security guards employed by the American firm Blackwater opened fire on civilians in Baghdad's Nisour Square. Seventeen Iraqis were killed, and another 20 injured. The Blackwater guards, who were escorting a convoy from the American embassy, claimed that they had come under attack from insurgents, but eye-witnesses and Iraqi offficials quickly dismissed that version of events. Mike Lanchin has been speaking to Mohammed Kinani who was driving through the area at the time, and whose 9-year-old son Ali, was shot dead by the Americans.Photo: An Iraqi looks at a burnt car on the site where Blackwater guards opened fire on civilians in Baghdad on 16 September 2007 (Credit ALI YUSSEF/AFP via Getty Images)

24 Sep 20209min

Just months after his release from prison in 1990 the South African freedom fighter Nelson Mandela toured the USA. One of the eight cities he went to visit was Detroit. Benita Barden has been speaking to Reverend Wendell Anthony who was one of the people who welcomed him to the city.Photo: Nelson Mandela and Rev Wendell Anthony in 1990. Courtesy of Rev Wendell Anthony.

23 Sep 20208min

How the Liberian president Ellen Johnson Sirleaf was negotiated to write off billions of dollars of debt, accumulated over two decades of civil war. Coming to power in 2006, Johnson Sirleaf had to govern the West African country with little tax revenue and owing large sums to countries and institutions it could never hope to pay back. Over four years, with intensive negotiations with multiple parties and even support from the Irish rock star Bono, in 2010 the World Bank and International Monetary Fund announced they would forgive 4.6 billion dollars of the country’s debt.Bob Howard speaks to former president Johnson Sirleaf about the long road to debt forgiveness. Photo: Ellen John Sirleaf Credit: Olivier Polet/Getty Images

22 Sep 20208min

The Galileo mission to examine the planet Jupiter had its beginnings in the 1970s. It finally came to an end on 21st September 2003. Professor Fred Taylor is one of the few scientists who worked on it from start to finish and he has been telling Dan Whitworth about some of the highs and lows of the project.Photo: The Galileo Jupiter probe being tested before launch. Credit:Roger Ressmeyer/Corbis/VCG/Getty Images

21 Sep 20209min

In April 1977 a group of women in Argentina held the first ever public demonstration to demand the release of thousands of opponents of the military regime. It was the start of a long campaign by the women, who became known as the Mothers of the Plaza de Mayo. In 2017 Mike Lanchin spoke to Mirta Baravalle who has spent decades searching for her missing daughter and son-in-law, and for the grandchild she has never met.(Photo: Mirta Baravalle, with the photograph of her daughter, Ana Maria. Credit: BBC)

18 Sep 20209min