July 12, 1936
German authorities transfer 50 prisoners to the Sachsenhausen concentration camp site to begin construction of the camp. By the end of 1936, Sachsenhausen will hold 1,600 prisoners.
SS Lieutenant Colonel Michael Johann Lippert oversees construction of the camp.
SS Major Karl Otto Koch replaces Lippert as camp commandant.
November 9-10, 1938
During the nationwide Kristallnacht ("Night of Broken Glass") pogrom the SS and police arrest up to 30,000 Jews, deporting almost 6,000 to Sachsenhausen.
German authorities begin arresting Jewish citizens of Poland and stateless Jews living in the greater Berlin area and incarcerate them in Sachsenhausen.
Following anti-German demonstrations in Prague in November 1939, German authorities incarcerate around 1,200 Czech students at Sachsenhausen.
SS-Oberführer [an SS rank between colonel and brigadier general, for which there is no English equivalent] Hans Loritz replaces Koch as camp commandant.
May 3, 1940
German authorities deport 1,200 Polish prisoners from the Pawiak prison in Warsaw to Sachsenhausen.
A commission of SS doctors begins conducting a “selection” among the prisoners at Sachsenhausen.
Camp authorities transport 269 prisoners whom SS doctors selected as unfit to work to the “euthanasia” killing center Sonnenstein to be gassed.
Soviet prisoners of war (POWs) begin arriving in Sachsenhausen. Between August and October 1941, German authorities deport about 12,000 Soviet POWs to Sachsenhausen. The camp SS shoots most of them shortly after arrival.
SS Lieutenant Colonel Anton Kaindl replaces Loritz as camp commandant.
Camp authorities select prisoners they deemed unfit to work and send them to the Dachau concentration camp.
Camp authorities select prisoners they deem unfit to work and send them to the Bergen-Belsen concentration camp.
In response to the Warsaw uprising, German authorities deport 60,000-80,000 Polish civilians to concentration camps, 6,000 of them to Sachsenhausen.
April 21, 1945
SS camp guards begin the forced evacuation of 33,000 prisoners from Sachsenhausen.
April 22, 1945
Soviet forces liberate the Sachsenhausen concentration camp.
A Soviet Military Tribunal tries 16 Sachsenhausen camp functionaries; all are convicted.