00558pamaa2200157 4500 0000009037 20070329090000.0 0316114065 D422 BRO 1996 BROWNSTONE Timelines of the 20th century : a chronology of 7,500 key events, discoveries, and people that shaped our century David Brownstone and Irene Franck. 1st ed. Boston: Little, Brown and Company, 1996. vi, 506p.: 30cm. History, Modern -- 20th century -- Chronology FRANK, Irene M.