the most common legend about the discovery of coffee is that it happened in the ninth century A.D.A goat herder in Ethiopia named Kalil noticed that his goats became very active after they ate red berries from a leafy bush. He tried a few berries himself,and he was soon as overactive as his herd. Kalil told other people in his tribe about his experience,and for the next four hundred years,people chewed the berries because they gave quick energy