You have no problem there, boy, since you draw a complete blank with history.
These genocides cost the lives of probably 16,315,000 people. Most likely the Nazis wiped out 5,291,000 Jews, 258,000 Gypsies, 10,547,000 Slavs, and 220,000 homosexuals. They also "euthanized" 173,500 handicapped Germans. Then in repression, terrorism, reprisals, and other cold-blooded killings done to impose and maintain their rule throughout Europe, the Nazis murdered more millions including French, Dutch, Serbs, Slovenes, Czechs, and others. In total, they likely annihilated 20,946,000 human being