The Labours of Hercules

The Nemean Lion

The Cretan Bull

The Lernean Hydra

The Horses of Diomedes

The Hind of Ceryneia

The Belt of Hippolyte

The Erymanthian Boar

The Cattle of Geryon

The Augean Stables

The Apples of the Hesperides

The Stymphalian Birds

The Taking of Cerebus

The great hero of Greek legend, Hercules, was set ten labours by King Eurystheus. Later on he refused to count two of them, so they became 12 labours. Why did he have to carry out these tasks?