The road between Pakistan and China took 20 years to complete
The Karakoram highway
Predicting the financial crash
The economists who predicted the 2008 financial crash but whose warnings were ignored
The final days of Sri Lanka's civil war
How the army finally crushed Tamil Tiger rebels after 25 years of bloody civil war
China's One Child policy
The Chinese Communist Party started ruthlessly enforcing birth control in the early 1980s
Hitler's stolen children
During WW2 the Nazis abducted blonde blue-eyed children to build an Aryan master race
Walking the Great Wall of China
Three friends set off on an epic trek along the Great Wall of China in May 1984
The asteroid that killed the dinosaurs
The Chicxulub impact crater was discovered in 1978.
Fighting Uganda's anti-gay laws
When MPs tried to toughen the laws against homosexuality, LGBT activists took a stand.
How environmental campaign group Greenpeace was formed
The story of how environmental campaign group Greenpeace was formed
The Acid Survivors Foundation
The Bangladesh charity dedicated to treating the survivors of acid attacks.
The death of Jawaharlal Nehru
The man who led India to independence died on May 27th 1964
Bokassa's massacre of the children
How protests by young people led to Jean-Bédel Bokassa's fall from power in C.A.R
Tiananmen Square escape
Dan Wang was the most wanted student leader after the Tiananmen Square crackdown in 1989.
Behind the scenes on Sesame Street
The inside story of one of the most popular children's TV shows ever made
Six Degrees - the first online social network
Andrew Weinreich founded the first online social network in 1997.
Vikings in York
Archaeologists uncovered perfectly preserved domestic Viking life in York in the 1970s
Eyewitness accounts of the Allied landings in Normandy during WW2 on 6 June 1944.
The Little Prince
The mystery surrounding the death of the author of the world famous children's tale
How the BBC reported the Allied invasion of Nazi-occupied France, 6 June 1944
The Gurkha soldiers fight for equality
A Nepalese regiment of the British army won the right to settle in Britain in 2009.
The end of the war in Kosovo
Hundreds of thousands of Kosovans fled when NATO began bombing former Yugoslavia in 1999
The first anti-psychotic drug
How a 1950s drug helped revolutionise the treatment of mental illness
Wrapping the Reichstag
How a huge public art project entranced post-Cold War Berlin
How America 'lost' China
How an American war hero was sent to stop China becoming communist and failed.
The first gay marriage in the USA
One gay couple in Minneapolis had a same-sex wedding back in the 1970's
The death of Neda Soltan
How a young woman became a symbol of anti-government protest in Iran
Carl Gustav Jung
One of the most influential figures in psychoanalysis died in June 1961
The assassinaton of Medgar Evers
The American civil rights activist and war hero who was murdered in 1963 in Mississippi.
Sister Lotus - early Chinese online star
Sister Lotus was an unlikely online celebrity because she was famous for being ordinary.
The yoga teacher and the violinist
How violinist Yehudi Menuhin and yoga teacher BKS Iyengar helped bring yoga to the West
The fat acceptance movement
The National Association to Aid Fat Americans, NAAFA, held its first meeting in June 1969
The unforgettable school trip that watched the scuttling of the German High Seas Fleet.
How recording technology made it possible to catch the fugitive moment.
Tom Robinson examines the legacy of the Stonewall protests for the gay community.
Training to save the treasures of Iraq
Eight female archaeologists from Mosul travel to London to train with the British Museum
Pete Wilson explores the characters and communities that make Gloucestershire great.