Earthquake and resulting tsunami kill 70,000 to 100,000 in southern Italy and Sicily.
Petroleum production starts in Middle East .
Mysterious Siberian explosion levels hundreds of square miles of forest. U.S. Supreme Court , in Danbury Hatters' case , outlaws secondary union boycotts. President Roosevelt holds White House Conservation Conference, which leads to establishment of the National Conservation Commission . Events Arnold Schoenberg's Book of Hanging Gardens released, bringing new style to classical music. Harmony and tonality are replaced by dissonance, creating what many listeners consider to be noise.