1941
MARCH
- Construction of Birkenau or Auschwitz II begins.
- Nazis invaded North Africa.
APRIL
- Nazis invaded Yugoslavia and Greece.
JUNE
- Nazis invade the Soviet Union in Operation Barbarossa to break non-agression act with Stalin
- The SS begins the mass murder of the Jews, Gypsies, and the Soviet prisoners of war.
SEPTEMBER
- Euthanasia program, a murder program, ends. Within this program, over seventy thousand people had been murdered.
- The first gassing of prisoners began at Auschwitz.
- German Jews required to wear yellow badge or the Jewish yellow star of David in public.
- More that thirty-three thousand Kiev Jews were murdered at Babi Yar
OCTOBER
- Deportation of German and Austrian Jews to ghettos in East Europe began.
- Majdanek extermination camp began to be constructed.
DECEMBER
- Japan attacks Pearl Harbor.
- At Chelmo extermination camp, gassing operation begins.
- Nazis and Italians declares war on the United States.
