Post-Romantic Era (1890-1930) By devianic Period: May 7, 1833 to Apr 3, 1897 Brahms Period: Oct 9, 1835 to Dec 16, 1921 Saint-Saëns Period: Sep 8, 1841 to May 1, 1904 Dvorák Period: Jun 15, 1843 to Sep 4, 1907 Grieg Period: May 12, 1845 to Nov 4, 1924 Fauré Period: Nov 6, 1854 to Mar 6, 1932 Sousa Period: Dec 22, 1858 to Nov 29, 1924 Puccini Period: Mar 13, 1860 to Feb 22, 1903 Wolf Period: Jul 7, 1860 to May 18, 1911 Mahler Period: Aug 22, 1862 to Mar 25, 1918 Debussy Period: Jun 11, 1864 to Sep 8, 1948 Strauss Period: Dec 8, 1865 to Sep 20, 1957 Sibelius 1901 Assembly Line Invented Period: Jul 28, 1914 to Nov 11, 1918 World War I 1917 Theremin invented Sep 1, 1939 World War II begins