In this episode of 'The History You Forgot' podcast, the guys delve into the complex causes of World War I, exploring themes such as militarization, alliances, imperialism, and nationalism. They discuss the rapid militarization of Europe, the intricate web of alliances formed in the late 19th century, and the imperial ambitions that fueled tensions. The conversation culminates in the assassination of Archduke Franz Ferdinand, which served as the catalyst for the war, leading to a discussion on the subsequent outbreak of hostilities among the major powers.