ODJB records and releases early jazz hitMar 7, 1917Labels: Original Dixieland, Victor RecordsGuinnessSmithsonianVictor 1917
Mamie Smith records “Crazy Blues” for OkehAug 10, 1920Labels: Mamie Smith, Okeh RecordsCrazy BluesBlues HOF
Black Swan Records founded as Black-owned labelJan 1, 1921Labels: Black Swan, Harry PaceSFCVRace record
“Race records” term enters major-label advertisingJan 1, 1922Labels: Okeh Records, Race recordsRecorded Sound
Paramount launches dedicated 12000 “race” seriesJan 1, 1923Labels: Paramount Records, 12000 seriesRecorded Sound
Bessie Smith records “Down Hearted Blues” for ColumbiaFeb 15, 1923Labels: Bessie Smith, Columbia RecordsLOCRecorded Sound
Black Swan catalog sold to ParamountJan 1, 1924Labels: Black Swan, Paramount RecordsRace recordRecorded Sound
Columbia begins regular electrical recording sessionsApr 1, 1925Labels: Columbia Records, Electrical recordingDAHRArt Gillham
Victor publicly launches “Orthophonic” electrical eraNov 2, 1925Labels: Victor Records, OrthophonicVictor Co
Louis Armstrong begins Hot Five recordings for OkehNov 12, 1925Labels: Louis Armstrong, Hot FiveHot FiveEBSCO