Gesamtlänge aller Episoden: 16 days 6 hours 21 minutes
On 28 February 1986, the Swedish Prime Minister was killed on a Stockholm street.
It was the first time a computer had beaten a reigning world champion chess player.
The difficult relationship between the BBC and the children's writer, Enid Blyton.
On Christmas Eve 1914, during World War I, British and German soldiers stopped fighting.