Authored by Mohammed Hamza Hussein Al-Dulaimi, this comprehensive book delves into the intricate history of the world's major powers throughout a transformative era. Spanning from the outbreak of World War I in 1914 to the dissolution of the Soviet Union and the end of the Cold War in 1991, the text examines the political, military, and diplomatic shifts that defined the 20th century. It meticulously chronicles the rise and fall of empires, the ideological struggles between capitalism and communism, and the key conflicts that reshaped the global order, offering a detailed analysis of the events that shaped our modern world.