 Hiroshima izahora yibuka igisasu kirimbuzi yarekuriweho umunsi nkuyu Amazu yarokotse ikibombe ca Hiroshima agiye kubomorwa Ubushakashatsi bwatumye abasirikare baba imashini zo kwica Mu gihe ingabo zibihugu vyop mu burengero bwisi zari zimirije gutsinda intambara, ako karwi kiswe Ibihangange Bitatu - ni ukuvuga umukuru wigihugu ca Amerika Franklin Roosevelt, umushikiranganji wa mbere wUbwongereza, Winston Churchill, hamwe numukuru wigihugu cUburusiya Joseph Stalin - bahuriye mu karere ka Yalta, akarere kUburusiya kari ku nkengera zikiyaga Cirabura Mer Noire. 