- The first chiropractic licensing law is introduced and passed by the Minnesota legislature, but vetoed by its governor.
- Both D. D. and B. J. Palmer were indicted on charges of violating the Iowa Medical Practice Act.
- Convicted of the charge, D. D. Palmer relinquishes his interest in the Palmer School of Chiropractic and moves to Oklahoma where he continues to practice chiropractic.
In early 1906 a chiropractic licensing bill was written and introduced in Minnesota. The bill passed but was vetoed the the governor. It was the very first chiropractic licensing law introduced in any state.
That same year, not being eligible to become licensed as a medical practitioner under the sanctions introduced by organized medicine, both D. D. and B. J. Palmer were indicted on charges of violating the Iowa Medical Practice Act.
Convicted of the charge, D.D. Palmer relinquished interest in the Palmer School of Chiropractic and moved to Medford, Oklahoma where he practiced chiropractic in his spare time.
