Explain in 3-4 sentences World War ll/Holocaust. also include the year.

World War II occurred from 1939 to 1945 and was a global conflict involving many countries. During this time, Nazi Germany, led by Adolf Hitler, systematically persecuted and murdered six million Jews in what is known as the Holocaust. This genocide, along with the widespread devastation caused by the war, resulted in an estimated total of 70-85 million deaths. The end of World War II marked a turning point in history and led to major geopolitical shifts in the years that followed.