•            The building, located at 75 Vasil Petleshkov Street in Sofia, which serves as home of the American Research Center in Sofia, was built and finished shortly after the start of the World War II, on November 30, 1939, during the office of the cabinet headed by Georgi Kyoseivanov
• ·          The sturdy complex, property of Nencho Penelov and built by design as sausage factory, operated as such until November 5, 1948 when it was nationalized by the Communist government
• ·          The factory opened after December 21, 1940 when the machine installations were approved by the Ministry of Public Buildings, Roads and Infrastructure in the cabinet of Bogdan Filov
• ·         The building was used for the purposes of the Bulgarian Academy of Sciences between 1948 and 1969, and as a kindergarden until 1986
• ·         After two decades of neglect and being in a dilapidated state, the building was finally restituted by the Sofia municipality to the descendants of Nencho Penelov on March 30, 2005
• ·         The building and the land were donated to ARCS by the Packard Humanities Institute, on the initiative of its President, David W. Packard, in January 2008
• ·         The building became ARCS home and was officially opened to the public on May 9, 2008
• ·         Since 2008 the building houses the ARCS library, staff offices, a seminar room, a lecture hall, and a residence for visiting scholars. The Center is open to the public, Monday through Friday, from 9am until 5:30pm.
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• The sausage factory at 75 Vasil Petleshkov Street, ca. 1940s
• ARCS building, January 2008

 The inaugural address by the co-founder of ARCS, Prof. Kevin Clinton, May 9, 2008