May 10, 1978: "Practice is the Sole Criterion for Testing Truth"
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May 10—15, 1924: The Executive Committee of the CPC Central Committee holds an enlarged meeting in Shanghai
May 10, 1978: The article, "Practice is the Sole Criterion for Testing Truth," is issued
May 10—11, 2004: The CPC Central Committee convenes a national meeting in Beijing on strengthening and improving ideological and moral education of the young