What is Diplomatic History? Eight historians ask what constitutes diplomatic history. John Earle | Published in History Today Volume 35 Issue 7 July 1985 D. C. Watt (Professor of International History, University of London) To continue reading this article you need to purchase a subscription, available from only £5. Start my trial subscription now If you have already purchased access, or are a print & archive subscriber, please ensure you are logged in. Please email digital@historytoday.com if you have any problems. Popular articles Why Do Religions Decline? The Pilgrim as a Historian