Yadiastun minab dados acara ring masan semi, tanggal punika kapilih warsa 1889 hawanan politik olih Kongrés Sosialis Marxis Internasional sané matemu ring Paris miwah ngadegang Internasional Kedua manados panerus Asosiasi Pakarya Internasional sadurungné.
May 1 was chosen in 1889 for political reasons by the Marxist International Socialist Congress, which met in Paris and established the Second International as a successor to the earlier International Workingmen's Association.