The novel was a bestseller and won the 1986 Pulitzer Prize for Fiction. In 1989, it was adapted as a TV miniseries starring Tommy Lee Jones and Robert Duvall, which won both critical and popular acclaim. McMurtry went on to write a sequel, Streets of Laredo (1993), and two prequels, Dead Man's Walk (1995) and Comanche Moon (1997), all of which were also adapted as TV series.

Can we conclude that is the movie lonesome dove a true story?
no