By Series - Magill’s Guide to Military History
- A. P. Hill
- Abd el-Krim
- Abdelkader
- Abenaki Wars
- Abraham Lincoln
- Abū al-ʿAbbās
- Abū Bakr ibn ʿUmar
- Abu Klea
- Aetius
- Afonso de Albuquerque
- Agesilaus II of Sparta
- Ahmed Ben Bella
- Aircraft Carriers
- Akbar
- Alamo
- Alaric
- Albanian-Turkish Wars
- Albert Kesselring
- Albert Sidney Johnston
- Albrecht Wenzel von Wallenstein
- Alcibiades
- Aleksandr Kolchak
- Aleksandr V. Suvorov
- Aleksei Brusilov
- Aleksei Kuropatkin
- Alessandro Farnese, duke of Parma
- Alexander I
- Alexander M. Haig
- Alexander of Tunis
- Alexander the Great
- Alexander’s Wars of Conquest
- Alexius I Comnenus
- Alfonso VIII
- Alfred Jodl
- Alfred Thayer Mahan
- Alfred the Great
- Alfred von Tirpitz
- Allied Intervention in Russia
- Almohad Conquest and Rule of Muslim Spain
- Almoravid Empire
- Alp Arslan
- Amazons
- Ambrose E. Burnside
- American Civil War
- American Indian wars
- American Northwest Indian Wars
- American Revolution
- Amritsar Massacre
- Anawrahta
- Ancient Warfare
