Chinese folklore tells that the Emperor of Jade organized an animal race to decide which animals would get into the zodiac, and they would be assigned an year according to their finishing place in this race...
RACE POSTERS
ZODIAC
#01 MOUSE
#02 COW
#03 TIGER
#04 RABBIT
#05 DRAGON
#06 SNAKE
#07 HORSE
#08 GOAT
#09 MONKEY
#10 CHICKEN
#11 DOG
#12 PIG