the years 1907–1920. By 1930 450 families of Volga German heritage were living in the Jefferson Park area, most of whom originated from Wiesenseite. Chicago also hosts the headquarters of the largest Lutheran body in the United States, the Evangelical Lutheran Church in America. The city has one of the largest Assyrian Diaspora populations, with the Assyrian community of Metropolitan Chicago numbering as many as 80,000. Additionally, The Patriarchal see of the Assyrian Church of the East was based in Chicago for several decades up until 2015 when it was moved to Erbil. The city is the home to a large Romanian American community with more than 100,000. Polish people have been prevalent from the city's early history, but the largest waves of immigration were in the late 19th and early 20th centuries; they have been influential in the economic and social development of Chicago. This is one of the most important centers of Polonia. The Taste of Polonia Festival in Jefferson Park celebrates Polish culture annually on Labor Day weekend. The Southwest Side is home to the largest concentration of Gorals (Carpathian highlanders) outside Europe. The southwest side is also the location of the Polish Highlanders Alliance of North America. Many Polish churches are found in Chicago, built in the Polish Cathedral style of architecture. Some can be seen from the Kennedy Expressway, other roadways, and public transportation routes, as well as from the neighborhood streets. Chicago has one of the largest concentrations of Italian Americans in the US, with more than 500,000 living in the metropolitan area. Chicago has the third largest Italian American population in the United States, behind only New York City and Philadelphia. Chicago's Italian community has historically been based along the Taylor Street and Grand Avenue corridors on the West Side of the city. There are also significant Italian populations scattered throughout the city and surrounding suburbs. The first Bosnians settled in Chicago in the late 19th and early 20th centuries, joining other immigrants seeking better opportunities and better lives. As the former Yugoslavia continued to find its identity as a nation over the last century, the people of Bosnia and Herzegovina sought stability and new beginnings in the city of Chicago many intending to return to their homeland. Bosnian Muslims were early leaders in the establishment of Chicago's Muslim community. In 1906, they established Dzemijetul Hajrije (The Benevolent Society) of Illinois to preserve