This day, 29 June, in 1920, China joined the League of Nations (Société des Nations), sending Wang Zhengting, Gu Weijun and others as its representatives. The League, founded earlier that year on 10 January by the Paris Peace Conference that ended the First World War, was mainly composed of signatories of the Treaty of Versailles. Among its many goals were disarmament, labour conditions, and human and drug traffikking.
这一天，1920年6月29日，中国加入了国际联盟，派遣了王正婷、顾伟军等人作为其代表。 该联盟由结束第一次世界大战的巴黎和平会议于当年1月10日成立，主要由《凡尔赛条约》的签署国组成。 其众多目标包括裁军、劳动条件以及人口和毒品贩运。
