5月1日,国际劳动节。1966年第一国际日内瓦会议提出8小时工作制口号。1886年5目1日,美国芝加哥25万工人不顾反动军警的血腥镇压,举行大规模的罢工和示威游行,要求改善旁动条件,实行8小时工作制。美国工人的斗争得到全世界各国工人的支 May 1, International Labor Day. The first Geneva International Conference in 1966 proposed an eight-hour working-order slogan. On January 1, 1886, on the 1st of January, the 250,000 workers in Chicago in the United States held large-scale strike and demonstrations in disregard of the bloody repression of the reactionary military and police and called for the improvement of by-pass conditions and the implementation of an eight-hour working system. The struggle of American workers has been supported by workers from all over the world