An index of the timeline: * A new era 1813 - 1831 * Time of changes 1831 - 1842 * New world order 1842 - 1873 * The end of the New Order 1873 - 1891 * Time of peace 1891 - 1914 * Antebellum 1914 - 1939 * Great War 1939 - 1945 * Postbellum 1945 - 1960 * Cold War 1960 - 1975 * Fall of the communism 1975 - 1991 * New millennium 1991 - 2000 * Present 2000 - 2011