Rubuta ci gaba don wannan sakin layi - 'Yan Republican Republican (IRB) da Fenian Brotherhood an kafa su ne a Ireland da Amurka, bi da bi, a cikin 1858 ta' yan jamhuriya masu gwagwarmaya, gami da Young Irishers. Wadannan sun rushe cikin ƙungiyoyi bayan da suka shirya hare-haren da ba su yi nasara ba.
a kan Kanada ta Irish tsoffin sojoji na American Civil War, da kuma IRB kaddamar da Clan na Gael a matsayin maye gurbin. A cikin Ireland kanta, IRB ta yi ƙoƙarin tayar da hankali a cikin 1867 amma, kamar yadda 'yan sandan' yan sanda suka shiga ciki, tashin hankali ya kasa.