This journal contains the minutes of the May Day Conference that held meetings in Baltimore, Maryland in 1919. The meetings consisted of delegates from various workers groups in Baltimore, including the Russian, Jewish, Italian and other branches of the Socialist Party, The Karl Marx Club, Industrial Workers of the World (IWW), Ladies Garment Workers, Socialist Labor Party, and the Lituanian and Polish branches of the Amalgamated Clothing Workers of America. The delegates gathered to plan a picnic for May Day, with a march and mass meeting preceding the evening, with profits being donated to the Workers Defense Union in New York City. One of the contested issues in the meeting was whether the Conference should obtain the requisite permit from city authorities. Two of the recording secretaries, E.V. Wallis and T.S. Wetter, were prominent in local radical politics.