Three days later, before its devastating impact was fully understood, the same force was wielded against Nagasaki, Japan resulting in around 75,000 deaths. At 8:15 AM on August 6, 1945, a deadly force exploded into the global consciousness when the first weaponized atomic bomb-developed and detonated by the United States-decimated Hiroshima, Japan killing 150,000 people, around 90% of the city’s inhabitants.