It was at 8:15am, 63 years ago yesterday, that the first atomic bomb was dropped on Hiroshima.
It should rank as one of the worst atrocities ever committed. Hiroshima was predominantly civilian with industry and a few military bases nearby. What is now called colateral damage seems to have been deliberately sought and the attack was designed to have maximum psychological impact, to induce terror in the people of Japan. In other words it was an act of terrorism.
RadGeek has made a good, well informed, post commemorating the day on which an estimated 140,000 people were killed on the orders of a US President to achieve unconditional surrender rather than simple peace (its also worth reading through the archives of his posts on Hiroshima and the discussions in the comments).

