Unity Mitford summered at the Berghof where she continued to discuss a possible German-British alliance with Hitler, going so far as to supply lists of potential supporters and enemies. At the 1939 Bayreuth Festival, Hitler warned Unity and her sister Diana that war with Britain was inevitable within weeks and they should return home. Diana returned to England, while Unity chose to remain in Germany, though her family sent pleas for her to come home. After Britain's declaration of war on Germany on 3 September 1939, Unity was distraught. Diana Mitford told an interviewer in 1999: "She told me that if there
Mitford family a different nickname for the others. Upon the outbreak of the Second World War, their political views came into sharper relief. "Farve" remained a conservative, but "Muv" usually supported her fascist daughters, and the couple separated in the late 1940s. Nancy, a moderate socialist, worked in London during the Blitz. Pamela remained seemingly non-political, although she was reportedly an anti-Semite. Tom, a fascist, refused to fight Germany but volunteered to fight against Imperial Japan; he was killed in action a short time after arriving in Asia. Diana, married to Sir Oswald Mosley, leader of the British Union of Fascists, was