Modern classical music is music written in the 20th century and beyond. Although much of it draws heavily on earlier forms, modern composers also experimented with rejection of long-held ideas; notably, Arnold Schoenberg questioned the traditional notions of harmony with his twelve-tone system[?], and John Cage questioned the very definition of music with his use of chance and found sounds.
... Dias, (1450-1500), Portuguese explorer who first rounded the Cape of Good Hope.
Sir Francis Drake, (c. 1540-1596), pirate, leader of the second ...