MUSIC:
Jazz legends and performers (ex. "King" Oliver, Louis Armstrong, Bessie Smith, Duke Ellington, Bix Beiderbeck, Paul Whiteman, etc.)
Classical composers
Broadway Musicals (ex. George Gershwin, Irving Berlin, Cole Porter, Lerner and Lowe, Rogers and Hart, etc.)
Dances- Charleston, Black Bottom, etc.
the recording industry (improvements in technology, etc)
FADS, FEATS AND STUNTS:
flagpole sitting
Mah Jongg
crossword puzzles
barnstorming, etc.
FASHION AND STYLE:
changes in men's and women's clothing
hair styles
THE MOVIE INDUSTRY AND ITS "STARS":
(ex. Douglas Fairbanks, Mary Pickford, the Barrymores, Rudolph Valentino, Charlie Chaplin, Buster Keaton, Harold Lloyd, Fatty Arbuckle, Clara Bow - the"it" girl, Laurel and Hardy, Jean Harlow, Greta Garbo, etc.)
movie moguls
ATHLETIC ACHIEVEMENTS AND RECORDS:
(ex. "Babe" Ruth, Knute Rockne and the "four horsemen", Red Grange, Jack Dempsey, Gertrude Ederle, Johnny Weismuller, Bobby Jones, Bill Tilden and Helen Wills, The Negro League, etc.)
ART:
painters (Picasso, Dali, etc)
architecture
Art Deco
LITERATURE:
(ex. Ernest Hemingway, Sinclair Lewis, Eugene O'Neill, H.L. Mencken, e.e. Cummings, T.S.Eliot, Edna St. Vincent Millay, F. Scott Fitzgerald, etc.)
The Harlem Renaissance
"CELEBRITY" GANGSTERS:
(ex. Al "Scarface" Capone, "Pretty Boy" Floyd, "Machine Gun" Kelly, John Dillinger, The Purple Gang, etc.)
FAMOUS TRIALS:
Sacco and Vanzetti
Leopold and Loeb
Scopes "Monkey Trial"
The Court Marshall of Billy Mitchell, etc.