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The US Civil War of 1861-65 left 700,000 troops dead. The Southern Confederate states rebelled against the Union of the North because the Confederates wanted to protect the right to own slaves. The hero of the rebel cause, General Robert E Lee, was charged with treason and had his citizenship revoked. So why did Congress reinstate his citizenship in 1975 more than one hundred years after his death? Claire Bowes has been speaking to former Democrat Congresswoman Elizabeth Holtzman who was one of just ten members of Congress to vote against the rehabilitation of General Lee and to John Reeves author of the book, The Lost Indictment of Robert E Lee. They describe how the proposal, put forward by a pro-segregationist Senator from Virginia, passed without even the mention of slavery.Photo: General Robert E Lee courtesy of the Library of Congress

5 Feb 202112min

During the Vietnam war, US commanders grew increasingly concerned about the widespread use of drugs by US troops in Vietnam. Initially the focus was on marijuana. But in the early 1970s, reports began to emerge of the large scale use of heroin by US military personnel. The drug had became widely available in South Vietnam. Alex Last spoke to Dr Richard Ratner, then a psychiatrist in the US army in Vietnam, about his memories of treating soldiers suffering from heroin addiction. Photo: Two soldiers in Vietnam exchange vials of heroin, July 1971 (Getty Images)

4 Feb 202114min

On August 8th 1988 the Burmese military cracked down on anti-government demonstrators, killing hundreds possibly thousands of people. In the weeks of protest that followed, Aung San Suu Kyi rose to prominence as an opposition figure. The date 8.8.88 has come to symbolise the resistance movement in Myanmar at the time. Ma Thida was a medical student working at Rangoon General Hospital when the dead and injured began to arrive. In 2018 she spoke to Rebecca Kesby about treating gunshot wounds for the first time, and about her political activism and subsequent imprisonment. This programme is a rebroadcast.Photo: Demonstrators in Rangoon in 1988. Credit: Getty Images

3 Feb 20219min

The biggest circus in Soviet Russia opened in Moscow in April 1971. Circus was considered the “people’s art form” in the USSR and was highly popular. The new Moscow State Circus building on Vernadsky Avenue could seat up to 3400 people and was filled with state of the art technology. Alexander Egorenko was one of the backstage crew, and still works at the circus today. He tells Lucy Burns about his memories of the circus.(Elephant Nicole celebrates her birthday at the Great Moscow State Circus, Jan 18 2021. Photo: Vyacheslav Prokofyev/Getty Images)

2 Feb 202110min

The first Eurostar train left London's Waterloo station heading for the Gare du Nord in Paris in November 1994. It was the first commercial passenger train to travel through the Channel Tunnel which had only been finished a few months earlier. Robert Priston was one of the drivers on that three-hour journey and he has been telling Bethan Head about that day.Photo: one of the first Eurostar trains. Credit: AFP/Getty Images.

1 Feb 202110min

In December 2010, anti-government protests broke out in Tunisia after a young fruit-seller called Mohammed Bouazizi set himself alight outside a government office in the south of the country. At one of the huge rallies in Tunis, a young singer called Emel Mathlouthi sang a song called "Kelmti Horra" or "My Word is Free". A video of her passionate performance immediately went viral and inspired protestors to take to the streets in other parts of the Middle East in what became known as the Arab Spring. Emel Mathlouthi talks to Witness History.PHOTO: Emel Mathlouthi performing in 2012 (Getty Images)

29 Jan 20219min

In the early months of 2011 demonstrators took to the streets across the Arab world in what became known as the Arab spring. In February, protests in the eastern Libyan city of Benghazi soon turned into an armed revolt seeking to overthrow the dictator, Colonel Muammar Gaddafi. Six months later, following fierce fighting, Libyan rebel forces swept into the capital, Tripoli. After more than 42 years the Libyan leader was forced from power. He was later captured and killed. Farhana Haider has been speaking to BBC Arabic correspondent Feras Kilani, who was detained and beaten while covering the uprising.Photo: Libyan anti-Gaddafi protesters wave their old national flag as they stand atop an abandoned army tank in the eastern Libyan city of Benghazi on February 28, 2011.(Credit PATRICK BAZ/AFP via Getty Images)

28 Jan 202114min

Inspired by events in Tunisia and Egypt young Yemenis took to the streets in January 2011. Ishraq al-Maqtari was a lawyer and women's rights activist from the southwestern city of Taiz. She took her two young daughters on the first demonstration in her home town. She has been speaking to Sumaya Bakhsh about how the uprising was an unprecedented opportunity for women to have their voices heard. But in Yemen, war and a humanitarian catastrophe followed the popular uprising, so does Ishraq regret taking part in the protests of the Arab Spring?Photo: Ishraq al-Maqtari in 2011.

27 Jan 20218min