Ngokwalokho okushiwo lapha, iSivumelwano sahlasela ngamuphi unyaka?
Context:Cishe eminyakeni eyizinkulungwane eziyikhulu kamuva ekhulwini lama-26, isintu - ngaphansi kokuqondisa kwe-United Nations Space Command, noma i-UNSC - sakha amakoloni emhlabeni omningi ngenxa yokuthuthukiswa kohambo oluhamba ngokushesha kunokukhanya oluthi "slipstream space" (okungukuthi i-hyperspace). Ukungezwani phakathi kukahulumeni namakoloni ayefuna ukuzimela kwabangela izingxabano ezinobudlova. I-UNSC yaxhasa i-SPARTAN-II Project ukuze kwakhiwe iqembu eliphakeme lamasosha aphakeme ukuze acindezele ukuvukela ngasese. Ngonyaka ka-2525, imihlaba yabantu ihlaselwa umfelandawonye ongokwasezulwini wezinhlanga ezingaziwa owaziwa ngokuthi iCovenant, abaholi bawo abamemezela isintu njengabaqambimanga nokuhlambalaza onkulunkulu babo - ama-Forerunners. I-Covenant yaqala impi engcwele yokuqothulwa kohlanga. Ubuchwepheshe babo obuphakeme nezinombolo zabo kwabonakala kuyinzuzo enkulu; nakuba babephumelela, abaseSparta babembalwa kakhulu ukuba bashintshe isimo sempi ukuze kuzuze isintu. Ngemva kokuba i-Covenant ihlasele i-Reach, inqaba yokugcina ye-UNSC ngaphandle kwaseMhlabeni, uMphathi Omkhulu uJohn-117 washiywa njengomunye wamaSpartan ambalwa asele.
I-Covenant yahlasela ngonyaka ka-2525.