During the two World Wars that marked the 20th century, hundreds of thousands of non-European combatants fought in the ranks of various European armies. The majority of these soldiers were Muslims from North Africa, Sub-Saharan Africa, Central Asia, or the Indian Subcontinent.

How are these combatants considered in existing historiography? Over the past few decades, research on war has experienced a wide-reaching renewal, with increased emphasis on the social and cultural dimensions of war, and a desire to reconstruct the experience and viewpoint of the combatants themselves. This...