In the annals of human history, the period since 1900 stands out as a time of profound transformation, marked not only by incredible technological and social advancements but also by a series of wars that have shaped the geopolitical fabric of the modern world. This guide delves into the tumultuous tapestry of conflicts over the past century-plus, from global confrontations that engulfed continents to localized skirmishes that, while smaller in scale, bore significant regional implications.

Through understanding these wars, we gain insight into the complex interplay of political, economic, cultural, and ideological forces that have driven humanity to conflict, even as we’ve reached unparalleled heights of innovation. By examining our past, we hope to glean lessons for the present and future, emphasizing the pursuit of diplomacy and peace over the tragedies of battle.

Below are the major wars and conflicts since 1900.