Kammala jumla mai zuwa: An ƙirƙira shi a ranar 22 ga Mayu, 1868, don mayar da martani ga kisan gillar Thomas D'Arcy McGee, fitaccen ɗan siyasa ɗan ƙasar Irish-Kanada kuma ɗan majalisa na Montreal West, a Ottawa a ranar 7 ga Afrilu. An kashe McGee ne daga bangarorin 'yan uwantaka na Fenian, wata ƙungiya mai kishin ƙasa ta Irish da ke zaune a Amurka, a cikin sabon babban birnin tarayya na Kanada ƙasa da shekara guda bayan da Confederation ta kafa ƙasar. Hukumomin Kanada sun damu game da ikon Fenian Brotherhood, wanda ya riga ya kaddamar da manyan ayyuka uku.
hare-hare a Kanada a 1866 kafin mutuwar McGee, da kuma cewa hukumomin tilasta bin doka ba su da ikon kare tsaron jihar.