BMJ is a British publisher of medical journals, and healthcare knowledge provider of clinical decision tools, online educational resources, and events. Established in 1840, the company is owned by the British Medical Association. The company was branded as BMJ Group until 2013.^[1]

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• 1840: Provincial Medical and Surgical Journal (later renamed the British Medical Journal) first published
• 1847: James Simpson uses the journal to publicise chloroform, which paved the way for modern anaesthetic techniques
• 1867: Joseph Lister publishes his introduction to the concept of antiseptic in wound healing^[2]
• 1950: Richard Doll publishes his discovery of the link between tobacco consumption and lung cancer^[3]
• 1958: Alice Stewart publishes her study of the risks of low-level radiation^[4]
• 1995: First website

• 1865–71: Baby farming – BMJ was largely responsible for the Infant Life Protection Act of 1872, directed against the lucrative practice of baby farming. The BMJ led a series of exposures which forced an inquiry into the state of London's work-house infirmaries.^{[5][third-party source needed]}

• BMJ Open
• BMJ academic journals
• Open Access Scholarly Publishers Association, of which BMJ is a member