World War II/Holocaust (1939-1945)

tell me about it 3-4 sentences

World War II was a global conflict that lasted from 1939 to 1945, involving most of the world's nations. The Holocaust was a genocide during World War II in which six million Jewish people, as well as millions of others including Romani people, homosexuals, and disabled individuals, were systematically exterminated by the Nazi regime. The Holocaust remains one of the darkest chapters in human history, serving as a harrowing reminder of the consequences of unchecked hatred and discrimination.