r/AskHistorians is a subreddit on Reddit where users may ask questions or start discussions about history. It is "one of the largest history forums on the internet". The subreddit was founded in 2011 and has remained active ever since, with over 1 million subscribers as of August 9, 2019. Unlike other Reddit communities, it aims to "provide serious, academic-level answers to questions about history" and is strictly moderated. Therefore, discussions not directly pertaining to the question being asked are often removed by the moderators.