Book cover for Organised Militarism in Interwar Britain

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Copyright: © Rowan Thompson 2026

DOI: https://doi.org/10.63674/pycy9503

Number of pages: 310

Number of illustrations: 8

Publication date: 16 April 2026

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Organised Militarism in Interwar Britain

The Navy League and the Air League of the British Empire

Rowan Thompson (Author)

Series: New Historical Perspectives

Published in association with: Institute of Historical Research, Royal Historical Society

Open Access publication funded by Jisc Open Access Community Framework

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While militaristic and patriotic organisations formed an important part of Edwardian political culture, 1918 often marks a terminus for histories of organised militarism in Britain. Taking the end of the First World War as its starting point instead, this book is the first full-length study of militarism and militaristic associational culture in interwar Britain. It argues that militarism was able to survive the 1914–1918 conflict, despite the competing rise of liberal internationalism, pacifism and anti-war sentiment. Focusing on the ideas, aims and activities of the Navy League and the Air League of the British Empire – two extra-parliamentary organisations established to promote naval and aerial supremacy – the book examines how the Leagues negotiated the trauma of the First World War and how they contributed to the societal and military preparation for a second global conflict as the clouds of war gathered in the late 1930s.

Drawing on extensive archival research, the book explains how these Leagues mobilised broad public and political support and what the story of each organisation tells us about the impact of war on British society and culture, civil-military relations, political and private activism, military theatre and commemoration, youth, and the politics of disarmament, collective security, internationalism and national defence. In doing so, it demonstrates that martial and militaristic sentiment remained an important part of mainstream British political culture, despite the ravages of war.

Rowan Thompson’s richly researched book calls for a major revision of standard understanding of interwar British history. It conclusively demonstrates that British militarism was not killed off in the maelstrom of the Great War but flourished in the interwar period as shown in the continuing activities of and support for the Navy League and the Air League of the British Empire, which propagandised with official support for both strong and modern armed forces.

—David Edgerton, Hans Rausing Professor of the History of Science and Technology and Professor of Modern British History, King’s College London, UK.

Organised Militarism in Interwar Britain is an important addition to a body of scholarship revealing the complexities of politics and culture in the 1920s and 30s. Through an exhaustive examination of Britain’s Naval and Air Leagues using a robust set of sources, Rowan Thompson demonstrates the persistence of versions of militarism in support of nation and empire that survived the cataclysm of the First World War.

—Susan Grayzel, Professor of History, Utah State University, USA

Introduction
1 The Navy League and the Air League of the British Empire
2 Disarmament, collective security and internationalism
3 Rearmament, the merchants of death and the preparation for war
4 Nation and empire
5 Militarism, education and youth
6 Trafalgar Day: naval heritage, tradition, and national commemoration
7 Empire Air Day: aerial theatre and airmindedness
Conclusion
Epilogue: Organised militarism and the Second World War
Conclusion
Appendix I: Navy League Executive Committee, c.1918–1939
Appendix II: Air League Executive Committee, c.1918–1939

PDF: 9781908590800

EPUB: 9781908590817

Read Online: 9781912250875

Hardback: 9781908590787 / 310 pages / 240mm x 160mm

Paperback: 9781908590794 / 310 pages / 234mm x 156mm

Rowan Thompson (Author)

Rowan Thompson is a historian of modern Britain, with research interests in militarism, associationalism, and the impact of war on British society and culture. He is currently an Academic Assistant in History at Northumbria University, UK.

—David Edgerton, Hans Rausing Professor of the History of Science and Technology and Professor of Modern British History, King’s College London, UK.

—Susan Grayzel, Professor of History, Utah State University, USA

Subject: British History, History

BISAC codes: HIS015070, HIS027000, HIS054000

Thema codes: JWT, NHW

Keywords: Air League, British empire, Navy League, associational culture, civic ritual, heritage, militarisation, militarism, military culture, modernity, technology, voluntary societies, youth

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