Compositions   1916: Cello Concerto 1920: Choros No 1 for Guitar 1929: Twelve Studies for Guitar 1930: Bachianas Brasileiras Nos 1 & 2 1939: New York Skyline 1945: Bachianas Brasileiras Nos 5 & 9	World Politics 1914: First World War     1929: Wall Street Crash   1939: Second World War   1949: Mao declares Chinese Republic