1900: Publication of L. Frank Baum's book "The Wonderful Wizard of Oz."
1902: A stage production, "The Wizard of Oz: Fred R. Hamlin's Musical Extravaganza," is such a big hit that it inspires Baum to write a sequel, and spawns a rival operetta, "Babes in Toyland."
1925: Silent film version with Oliver Hardy as the Tin Man.
1939: Premiere of the celebrated film version.
1956: Film makes its TV debut. It becomes an annual event in 1959.
1973: Elton John finally finds where his future lies with bestselling album "Goodbye Yellow Brick Road."
1973: Pink Floyd denies that its album "Dark Side of the Moon" is set to match the action of the film; fans ignore them.
1974: "Tin Man," fourth Top 10 hit for the musical group America, pays homage to the "heartless" woodsman.