Why was The Canterbury Tales such an important work? who wrote it?

Why Chaucer wrote The Canterbury Tales? (Selectable sources for further study on The Canterbury Tales and Geoffrey Chaucer.) About The Canterbury Tales: Geoffrey Chaucer wrote The Canterbury Tales, a collection of stories in a frame story, between 1387 and 1400. It is the story of a group of thirty people who travel as pilgrims to Canterbury (England).