Visual history of the world's darkest days The other title：Visual history of the world's darkest days Visual history of the world The history of the world in 366 days. 蓝鲸志：a natural history of the world‘s largest animal Visual history of the twentieth century On this day: a history of the world in 366 days Visible history of the world On this day：the history of the world in 366 days. Visual biographies of the world's greatest designers