Buffalo was the founding city of the Polish American Congress in 1944. Buffalo is the home of the national fraternal Polish Union of America founded in 1890. Buffalo is sister city to Rzeszow, Poland. The Catholic League for Religious Assistance to Poland was founded in Buffalo in 1943. The Polish Baptist Church movement originated in Buffalo with the founding of the Church of Our Savior in 1894.
Buffalo has the oldest and largest religious radio network in the Polish language.
The Roman Catholic Diocese observed Poland's Millenium of Christianity in 1966. The DHP was established by law in 1988. It is a statewide program designed to locate, organize and make available the state's historical records which are critical to ensuring the survival of New York's heritage. The DHP is administered by the New York State Archives and Records Administration, State Education Department. It consists of regional services provided throughout the nine Reference and Research Library Resource Systems and a statewide competitive grant.