Allied forces liberated camps.
No. Holocaust Memorial Day (27 January) is on the anniversary of the liberation of Auschwitz by the Soviet Army in 1945.
those who helped the Holocaust were called Nazis, but they were not Heroes.
Depends on your definition of "Involved." We got involved in World War 2 because the Japanese bombed us. Then, we fought Nazi Europe an discovered the horror that was the Holocaust. We finally knew what we were fighting for and against. Against cruelty and fighting for liberation of the innocents!
i guess 1942 as soon as territory was gained by the Soviets from the Nazis
The area's underground forces are prepared to assist with the town's liberation. The cost of France's liberation was quite high. Also, the liberation of the Philippines in World War 2 was the work of US General MacArthur. The 13th Amendment to the US Constitution caused the liberation of the nation from slavery. During World War II, the armed forces of the United States helped in the liberation of France.
Please have a look at the related question below. It is not at all obvious what would have helped.
Support for an independent Jewish homeland increased.
The Netherlands was one of the most known countries that helped people int he Holocaust in the 1940's. Also, the Ukraine was another notable country that helped those who were mistreated by the events of the Holocaust.
The 4 countries that helped Kuwait in its liberation the most are the USA, the UK, Saudi Arabia and Egypt. The UN played a major role in Kuwait's liberation. And around 30 countries aided in Kuwait's liberation on February 26, 1991.
The Holocaust was not the fault of the US! It is sometimes said that the US and their Allies did not do much (or anything) to stop the Holocaust. See the related question.
None of the turning-points "helped the Holocaust". In Europe the Battle of Stalingrad (1942-43) is regarded as a key turning point, but the Holocaust continued ...