March 23, 1944: The Patriotic Action Group of partisans attacks a column of German police in via Rasella, Rome.
March 24, in reprisal, the Nazis execute 335 people in a quarry on the via Ardeatina.
San Sabba, industrial area of Trieste, Italy, a Nazi-Fascist prison and extermination camp from October 1943 to April 1945