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.
1975: Stephanie Mills and Dee Dee Bridgewater ease on down the road in the Broadway musical "The Wiz." Three years later, it becomes a film with Diana Ross and Michael Jackson.
1979: A pair of Dorothy's ruby slippers are donated to the Smithsonian and become one of its most-asked-about artifacts.
1981: "Under the Rainbow," a comedy set during auditions for the Munchkins, turns out to be one of Chevy Chase's biggest bombs — and that's saying something.
1985: In Martin Scorsese's "After Hours," Rosanna Arquette tells a cowardly Griffin Dunne she can only be sexually stimulated by hearing "Surrender, Dorothy!"
1990: In "Wild at Heart," David Lynch has Laura Dern click her heels, while Nicolas Cage dreams of Glinda the Good Witch.
2003: "Wicked" becomes one of Broadway's most enduring hits.
2004: ABC's "Lost" travels to the world of Oz throughout its six-year season, most slyly by identifying its chief villain as Henry Gale, the name of Dorothy's uncle.
2007: Zooey Deschanel and Richard Dreyfuss star in Syfy's "Tin Man," the highest-rated miniseries of the year.
2017: NBC's "Emerald City" put a dark twist on Baum's tale but audiences didn't give a flying monkey. Library of Congress selects Judy Garland's rendition of "Over the Rainbow" for preservation in the National Recording Registry.