Historical Archives of Greek Refugees (H.A.G.R.) of the Municipality of Kalamaria was founded in 1994. The aim is to preserve the historical memory and present the identity of Greek refugess in modern history. The activities are mainly concerned with the large wave of refugees of the Asia Minor Catastrophe (1922) and the Treaty of Population Exchange (1923-24) from the regions of the Black Sea (Pontus), Asia Minor and Eastern Thrace, in the Ottoman Empire.The research programmes also include the refugees following the Turkish invasion and occupation in Cyprus (1974), Greek emigrants and the Greeks of the diaspora, as well as people of Greek origin from the states of the former U.S.S.R. and Albania, who settled in Greece during the 1990s.