Event:
Columbia commits to 33 1/3 rpm records, plans to phase out 78's as Dr. Peter Goldmark of CBS demonstrates "long playing record"
More Notable Events on June 21:
1990 Little Richard gets a star on Hollywood's walk of fame
1948 1st stored computer program run, on Manchester Mark I
1893 1st Ferris wheel premieres at Chicago's Columbian Exposition
1879 F. W. Woolworth opens 1st store, failed almost immediately
1834 Cyrus Hall McCormick patents reaping machine