Hercule Poirot available to solve mysteries at an English country house. At the time of Christie's writing, it was considered patriotic to express sympathy towards the Belgians, since the invasion of their country had constituted Britain's "casus belli" for entering World War I, and British wartime propaganda emphasised the "Rape of Belgium". Poirot first appeared in "The Mysterious Affair at Styles" (published in 1920) and exited in "Curtain" (published in 1975). Following the latter, Poirot was the only fictional character to receive an obituary on the front page of "The New York Times". By 1930, Agatha Christie found Poirot "insufferable", and, by
Hercule Poirot to Hastings, it was chosen by Poirot "entirely on account of its strict geometrical appearance and proportion" and described as the "newest type of service flat". (The Florin Court building was actually built in 1936, decades after Poirot fictionally moved in.) His first case in this period was "The Affair at the Victory Ball", which allowed Poirot to enter high society and begin his career as a private detective. Between the world wars, Poirot travelled all over Europe, Africa, Asia, and half of South America investigating crimes and solving murders. Most of his cases occurred during this time and he