'The bad boy of Welsh politics'

In 1969, the singer Dafydd Iwan campaigned for official recognition of the Welsh language

• 9 mins

Inventing Nutella

How the chocolate and hazelnut spread was created in 1946

• 9 mins

Kiwi: How New Zealand hijacked China's fruit

How the Chinese gooseberry became the kiwi and one of New Zealand’s biggest exports

• 9 mins

Flavr Savr tomato: The world's first genetically-engineered food

In 1994, a tomato became the world's first genetically-engineered food on sale

• 9 mins

The disputed history of pad Thai

Exploring the different theories behind the creation of pad Thai

• 9 mins

Ken Hom's 'Chinese Cookery'

In 1984, Ken Hom taught TV audiences to cook Chinese food for the first time

• 9 mins

Earth: A pale blue dot in the universe

In 1990, a space probe's photograph of Earth captured the enormity of space

• 9 mins

Discovery of the hole in the earth’s ozone

In 1985, news broke of a major environmental discovery: a hole in the earth’s ozone layer

• 9 mins

The invention of the wingsuit

In 1999, skydiver Jari Kuosma developed the first commercial wingsuit

• 9 mins

The Hindenburg airship disaster

In 1937, the Hindenburg burst into flames during mooring, killing 35 people on board.

• 9 mins

What the 1989 solar storm did to Quebec

In 1989, a huge solar flare ground life to a halt in Quebec

• 9 mins

The world’s first lesbian couple to get married

In 2001, the Netherlands became the first country to legalise gay marriage

• 9 mins

The mystery of France's lost king

The fate of Louis-Charles, imprisoned in 1795, was for years shrouded in rumour

• 9 mins

Russian ballerina defects to the west

The Russian ballerina who defected to the west

• 9 mins

The first World Laughter Day

The first World Laughter Day took place in Mumbai, India in January 1998

• 9 mins

Gürtel scandal: Spain's Watergate

How one man's secret recordings revealed one of Spain's biggest corruption scandals

• 9 mins

The hunger-striking Bolivian president

In 1984, President Zuazo went on hunger strike, in an attempt to stabilise Bolivia

• 9 mins

The Green March: Moroccans take over the Sahara

In 1975, unarmed Moroccans faced off against gun-carrying Spanish soldiers

• 9 mins

Tortured in Iran's Evin Prison

Protests after Iran's 2009 election caused one man to be interrogated for 118 days

• 9 mins

Ibadan Zoo

Bob Golding turned Ibadan Zoo into one of Nigeria's biggest attractions in the 1970s

• 9 mins

Jamuna Tudu: The real life 'Lady Tarzan'

In the early 2000s, a woman known as ‘Lady Tarzan’ fought India’s so called timber mafia

• 9 mins

Vidkun Quisling: Norway's traitor

In 1939, Vidkun Quisling asked Hitler to invade Norway.

• 9 mins

Axis Sally: World War II traitor who broadcast for the Nazis

Mildred Gillars became the first woman in American history to be convicted of treason.

• 9 mins

Wang Jingwei: China’s traitor or protector?

The national hero was branded a traitor for collaborating with Japan during World War Two

• 9 mins

The Hungarian footballer executed for love

Sándor Szűcs was hanged for trying to escape communist Hungary with his lover

• 9 mins

Jack Strong aka Ryszard Kukliński: Cold War traitor or hero?

During the Cold War a high-ranking Polish colonel passed Soviet secrets to the CIA

• 9 mins

Silenced by the Vatican

How Brazilian priest Leonardo Boff was punished for his writing on liberation theology

• 9 mins

Brazil's Landless Workers Movement

In 1980, poor rural workers occupied land owned by the rich and violent clashes followed

• 9 mins

The Arctic’s doomsday seed vault

In 2008, seeds began arriving at a frozen vault designed to save the world’s food supply

• 9 mins

First internet cafe

Cyberia, billed as the World's first internet cafe opened in London in 1994

• 9 mins