No, Poldark is not based on a true story. It is an adaptation of a series of historical novels by author Winston Graham. The novel series, which began in 1945 and was later adapted into a television series, follows the lives of the Poldark family in Cornwall, England during the late 18th and early 19th centuries.
The stories involve many characters and storylines, such as Ross Poldark’s struggles against poverty, his love affairs and his conflicts with the establishment. Although the characters and stories are entirely fictional and the events are a mix of actual history and the author’s imagination, the series does provide a glimpse into the dramatic times of Cornwall in the 18th and 19th centuries.
If you’re looking for more information on Winston Graham, his life and the Poldark adventures, visit this website: http://winstongraham.org/