| Date | Event |
| 1900 | Dream of Gerontius (Elgar) |
| 1901 | Pelleas et Melisande (Debussy) |
| 1903 | Gurrelieder (Schoenberg) |
| 1905 | Salome (Strauss) |
| | La Mer (Debussy) |
| 1906 | Kammersymphonie (Schoenberg) |
| | The Unanswered Question (Ives) |
| 1907 | Symphony no.8 (Mahler) |
| | Sketch for a New Musical Esthetic (Busoni) |
| 1908 | Golliwog's Cakewalk (Debussy) |
| 1908 | Mysterium (begun by Scriabin) |
| 1909 | Elektra (Strauss) |
| 1910 | Harmonielehre (Schoenberg) |
| | The Firebird (Stravinsky) |
| | Prometheus (Scriabin) |
| 1911 | Petrushka (Stravinskky) |
| | Der Rosenkavalier (Strauss) |
| | Erwartung (Schoenberg) |
| 1912 | Pierrot Lunaire (Schoenberg) |
| | Die ferne Klang (Schreker) |
| | Jeux (Debussy) |
| | The Tides of Manaunaum (Cowell) |
| 1913 | Rite of Spring (Stravinsky) |
| | Treemonisha (Joplin) |
| | Prometheus (Scriabin) |
| 1914 | Sports et Divertissements (Satie) |
| 1916 | Palestrina (Pfitzner) |
| 1916 | Symphony no.4 (Ives) |
| 1917 | Classical Symphony (Prokofiev) |
| | Sonata Bureaucratique (Satie) |
| 1918 | Cock and the Harlequin (Cocteau) |
| 1918 | The Soldier's Tale (Stravinsky) |
| | Ragtime (Stravinsky) |
| 1919 | Piano-Rag-Music (Stravinsky) |
| | Quartet Euphometric (Cowell) |
| | Society for Private Music Perf. (est. Schoenberg) |
| 1920 | Concord Sonata (Ives) |
| | The Planets (Holst) |
| | Pulcinella (Stravinsky) |
| | Furniture Music (Satie/Milhaud) |
| 1921 | Int'l Composers Guild (est. Varese) |
| 1923 | Rhapsody in Blue (Gershwin) |
| | La creation du monde (Milhaud) |
