Parliamentary History is an important academic platform for the study of the British parliamentary system and its history. It covers not only the parliamentary institutions of the British Isles, such as the Parliaments of England, Scotland and Ireland, but also pays special attention to the evolution and development of these parliaments from the Middle Ages to the twentieth century. By publishing high quality research papers and review articles, the Journal offers scholars and history buffs the opportunity to gain an in-depth understanding of the history of the British parliamentary system.

The magazine's content was not limited to the parliamentary history of the British mainland, but also extended to the legislatures of the British colonies. It explores the origins, development and historical importance of these institutions, revealing the influence of the British parliamentary system on the global political and legal system. In this way, the journal provides a valuable insight into the global impact of the British parliamentary system.