As of mid-2022, there were about 27 million refugees. Learn more about these refugees, the violence they face, and the global impact of the refugee crisis.
Explore a timeline of key events during 1945 in the history of Nazi Germany, World War II, the Holocaust, and liberation and the aftermath of the Holocaust.
In 1941, Romania occupied Odessa, Ukraine. Learn more about the subsequent reprisal, ghettoization, and deportation during World War II.
Explore a timeline of key events during 1942 in the history of Nazi Germany, World War II, and the Holocaust.
A group of 1,500 Armenian children at a refugee camp of the Near East Relief organization in Alexandroupolis. Greece, 1921–22.
Containers of Zyklon B poison gas pellets found at the Majdanek camp after liberation. Poland, after July 22, 1944.
The defendants listen as the prosecution begins introducing documents at the International Military Tribunal trial of war criminals at Nuremberg. November 22, 1945.
Charred remains of corpses near crematoria in the Majdanek camp, after liberation. Poland, after July 22, 1944.
View of watchtower and fence at the Majdanek camp, after liberation. Poland, after July 22, 1944.
After the occupation of Odessa, Ukrainian Jews wait to register. Odessa, Soviet Union, October 22, 1941.
January 27, anniversary of the liberation of Auschwitz, is designated by the United Nations General Assembly as International Holocaust Remembrance Day (IHRD).
Jan Karski and General Colin Powell meet during the opening ceremonies of the US Holocaust Memorial Museum. Washington, DC, April 22, 1993.
Christoph Probst, a member of the White Rose student opposition group. Probst, arrested and condemned to death by the People's Court, was executed on February 22, 1943.
Aerial view of the Nuremberg Palace of Justice, where the International Military Tribunal tried 22 leading German officials for war crimes. Nuremberg, Germany, November 1945.
Photograph taken during the wedding of Ibby Neuman and Max Mandel at the Bad Reichenhall displaced persons' camp. Germany, February 22, 1948.
HIAS immigration certificate issued to Manius Notowicz in Munich, Germany. The document states that Notowicz will travel on the Marine Flasher on February 22, 1947, to New York City.
GIs keep low inside a landing craft during an assault across the Rhine at Oberwesel, Germany. March 22, 1945. US Army Signal Corps photograph.
A column of refugees in the Soviet Union, following the German invasion of Soviet territory on June 22, 1941. Soviet Union, between 1941 and 1944.
Soviet refugees sit around a fire in a makeshift camp, following the German invasion of Soviet territory on June 22, 1941. Soviet Union, between 1941 and 1944.
German police round up Jews in the Jewish quarter of Amsterdam, blockaded following anti-Nazi violence. Amsterdam, the Netherlands, February 22, 1941.
German Jews trying to emigrate to Palestine form long lines in front of the Palestine and Orient Travel Agency. Berlin, Germany, January 22, 1939.
The War Refugee Board was formed in 1944 by executive order under President Roosevelt. It was tasked with the rescue and relief of victims of Nazi oppression.
Some individuals and groups in Germany attempted to resist Nazism, despite the risk of being caught and facing punishment. Learn more about their efforts.
Learn about the role of Theresienstadt in the deportation of German and Austrian Jews to killing sites and killing centers in the east.
Jewish women and children are transported by horse-drawn wagon during a deportation action in the Siedlce ghetto. During the liquidation of the ghetto on August 22-24, 1942, 10,000 Jews were deported to the Treblinka killing center.
President Bill Clinton (center), Elie Wiesel (right), and Harvey Meyerhoff (left) light the eternal flame outside on the Eisenhower Plaza during the dedication ceremony of the United States Holocaust Memorial Museum. April 22, 1993.
Germans guard prisoners in the Rovno camp for Soviet prisoners of war. Rovno, Poland, after June 22, 1941. Second only to the Jews, Soviet prisoners of war were the largest group of victims of Nazi racial policy.
Amalie Petranka (later Salsitz) at 22 years of age. She gave this photo to Norman Salsitz shortly after they met. Photograph taken in Stanislawow, Poland, on October 10, 1939.
During the Battle of the Bulge, US troops move up to the front in open trucks in subzero weather to stop the German advance. December 22, 1944. US Army Signal Corps photograph taken by J Malan Heslop.
An American GI using his steel helmet to draw water from a stream during the Battle of the Bulge. December 22, 1944. US Army Signal Corps photograph taken by J Malan Heslop.
Friedrich Hoffman, holding a stack of death records, testifies about the murder of 324 Catholic priests who were exposed to malaria during Nazi medical experiments at the Dachau concentration camp. Dachau, Germany, November 22, 1945.
Wladislava Karolewska, a victim of medical experiments at the Ravensbrück camp, was one of four Polish women who appeared as prosecution witnesses at the Doctors Trial. Nuremberg, Germany, December 22, 1946.
View of the furnaces remaining in the Majdanek camp by the time of liberation. The Germans had attempted to destroy the building as Soviet forces advanced in 1944. Majdanek, Poland, after July 22, 1944.
A British policeman (left) organizes the arrest of passengers from the Aliyah Bet ("illegal" immigration) ship Parita after they disembarked near Tel Aviv. Palestine, August 22, 1939.
A large crowd fills Eisenhower Plaza during the dedication ceremony of the United States Holocaust Memorial Museum. Flags of the liberating divisions form the backdrop to the opening ceremony. Washington, DC, April 22, 1993.
June 18-22, 1944. On this date, Rudolf Vrba and Alfred Wetzler's firsthand account of Auschwitz went public worldwide.
December 22, 1945. On this date, Harry S. Truman issued a directive giving US immigration preference to displaced persons.
During World War II, the Nazis established ghettos, which were areas of a city where Jews were forced to live. Learn more about ghettos in occupied Poland.
Learn more about the end of Nazi tyranny in Europe and the liberation of camps and other sites of Nazi crimes. This article includes dates of liberation of some of the camps.
The SS oversaw policing, intelligence, and the camp system in Nazi Germany. Learn more about the Schutzstaffel and its rise to power.
As part of the “Final Solution,” Nazi Germany organized systematic deportations of Jews from across Europe to ghettos and killing centers. Read more.
German forces launched Operation "Barbarossa," the invasion of the Soviet Union, on June 22, 1941. The German army made rapid initial progress in the campaign into Soviet territory. In this German military footage, German soldiers separate women and children from men in a Soviet village.
German citizens stand outside the decorated Hotel Dreesen, where Neville Chamberlain and Hitler held their second meeting on the Sudetenland and German demands for Czech territory. Nazi flags and the Union Jack fly from the building. Bad Godesberg, Germany, September 22, 1938.
Polish-Jewish refugees seeking to leave Europe arrive in Lisbon. Following the German invasion of France, Jewish and non-Jewish refugee assistance organizations relocated their headquarters to Lisbon, the only neutral European port from which refugees could depart to North and South America. Lisbon, Portugal, June 21-22, 1940.
SS female auxiliaries show with mock sadness that they have finished eating their blueberries, July 22, 1944. From the Hoecker Album of 116 photographs taken during the last six months of Auschwitz, between June 1944 and January 1945.
A poster in Hebrew soliciting contributions from members of the Yishuv (the Jewish community of Palestine) for army recruitment and for efforts to rescue European Jewry. The Hebrew text reads "Give a hand in rescue, the Fund for Recruitment and Rescue." Palestine, July 22, 1943.
American Zionist leader Rabbi Stephen S. Wise (right) with Bernard Deutsch, president of the American Jewish Congress, before making a protest to President Franklin D. Roosevelt against religious persecution in Germany. New York, United States, March 22, 1933.
Rufus Jones (seated) and Clarence Pickett were chairman and executive secretary of the American Friends Service Committee (AFSC), respectively. They are pictured here at a Quaker meeting in Philadelphia. The AFSC assisted Jewish and Christian European refugees. Philadelphia, United States, January 22, 1943.
French leader Charles de Gaulle in London after France signed an armistice with Germany on June 22, 1940. De Gaulle refused to accept the armistice and led the Free France resistance movement. London, Great Britain, June 25, 1940.
Explore a timeline of key events during 1943 in the history of Nazi Germany, World War II, and the Holocaust.
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