1921- The First Miss America contest held.
1922- tromonist kids ory's band bases in LA , makes it first recording by a black ensemble playing in the new
Orleans styles.
1922-Ragtime publisher John Stark goes out of business signifying the end of
ragtime.
1923- The first network radio broadcast occurs in the U.S.
1924- Duke Ellington makes his first recording as leader of the Washingtonians
1926- The first television is introduced
1927- The U.S. and Britain use military force in china
1928-Japanese troops enter China
1929-Pianist Fats Waller participates in a mixed-race recording session in which he
is forced to play behind a screen to separate him from the white musicians.
1929-The St. Valentine's Day Massacre occurs in Chicago