From where did you get that info? The breed was fully recognized by the AKC in the '80s, so it has to be before that. I think it may have been 1980 or just prior. Unfortunately, the American club site doesn't give out this kind of history. One can only gleen it from the info provided.
[quote]Owned by scouts and Indian fighters during the late 1700s, the Black and Tan was the first coonhound to be considered a separate breed from the American Foxhound and was admitted to American Kennel Club registry in 1945.[/quote]
http://www.akc.org/breeds/black_tan_coonhound/history.cfm
http://www.akc.org/breeds/black_tan_coonhound/index.cfm
http://www.akc.org/breeds/redbone_coonhound/index.cfm