The Outline of History, subtitled either “The Whole Story of Man” or “Being a Plain History of Life and Mankind”, is a work by H. G. Wells that first appeared in an illustrated version of 24 fortnightly installments beginning on November 22, 1919 and was published as a single volume in 1920. It sold more than two million copies, was translated into many languages, had a considerable impact on the teaching of history in institutions of higher education, and made Wells a very wealthy man.
More about the book at Wikipedia