 By 1926, the Klan leadership in the state was divided, and it lost strength, although it continued to maintain small, local branches for years afterward in Darien, as well as in Bridgeport, Stamford, Greenwich and Norwalk.Darien was a sundown town – a town that used unwritten rules to prevent African Americans from remaining overnight.Laura Z. Hobson's bestselling 1947 novel "Gentleman's Agreement" was set in Darien to highlight American anti-Semitism via an unwritten covenant that prohibited real estate sales to Jews.