4. World War II (1939-1945)
World War II, spanning from 1939 to 1945, was the deadliest conflict in human history, resulting in over 70 million deaths worldwide. The war was marked by significant atrocities, including the Holocaust, where six million Jews were systematically murdered, and the atomic bombings of Hiroshima and Nagasaki. Daily life was profoundly disrupted by air raids, rationing, and widespread conscription. The scale and brutality of WWII were unprecedented, leaving a lasting impact on global politics and society. For a comprehensive overview, refer to the United States Holocaust Memorial Museum’s article on World War II and the Holocaust. (ushmm.org)
