The International Context Of May Day ID: 274 | This file appears in: May Day Riot To listen to this audio please consider upgrading to a web browser that supports HTML5 audio Dr. John Grabowski of Case Western Reserve University explains the international context of the 1919 May Day riot | Source: Cleveland Regional Oral History Collection Download Original File SourceCleveland Regional Oral History CollectionRelation“John Grabowski interview, 23 July 2008,” Cleveland Voices, clevelandvoices.org/items/show/2828 "The International Context Of May Day" appears in: May Day Riot