The evolution of May Day: The origins of Proletarian solidarity ; Born of the struggle ; The first international action of the militant working class ; May day prior to the October socialist revolution ; May Day and the world revolutionary process -- May Day today: A powerful working-class waepon ; An example directed towards the future ; May Day in the citadels of capitalism ; For solidarity, independence and development -- Before it is too late: Imperialism-spurce of an increased war dander ; Socialis, in the vanguard of peace-loving forces ; The leading anti-war force of the capitalist world ; The chief condition for complete National Liberation

1. May Day (Labor holiday) -- History