Histoire de la Seconde Guerre is a free educational application available on Android devices. It provides an extensive insight into the Second World War, the largest armed conflict in human history. The war mobilized over 100 million combatants from 61 nations, deployed hostilities on some 22 million km², and killed about 62 million people, mostly civilians.

The app covers not only the military aspects of the war but also its ideological implications. It highlights the solidarity of occupied European and Asian countries with invaders or enemies, the existence of resistance, and the massive mobilization of resources, both material and moral, by societies on both sides. Histoire de la Seconde Guerre is a comprehensive and engaging tool for anyone interested in learning about one of the most significant events of the 20th century.