189346 - Hiroshima Japan is hit by the atom bomb during World War II.

Statue of girl who survived Hiroshima bombing missing from Seattle park

188814 - We are told how destructive an atom bomb is in 1950s.

How 'Oppenheimer' is connected to Washington state

1371 - A-bomb.mp4

Ceremony on Seattle's Green Lake remembers dropping of the atomic bombs

188813 - We are told how destructive an atom bomb is and how it would destroy New York if detonated there.

Group urges nuclear prohibition during Peace Lantern ceremony in Knoxville

165927 - In 1957 the biggest atom bomb in America is tested.

Moment of Silence: Oak Ridge commemorates the atomic bombing of Hiroshima during WWII

188761 - A model village is readied for a nuclear bomb blast in the Nevada desert.

2001 interview with Paul Tibbets, the pilot who dropped the atomic bomb on Hiroshima

188766 - A model village is blown away by a nuclear bomb blast in the Nevada desert.

Peace tree from Hiroshima planted in Vernonia, Oregon

188762 - A model village is readied for a nuclear bomb blast in the Nevada desert.

Oak Ridge students learn about Oppenheimer's ties to East Tennessee ahead of movie's release

188833 - A model village is blown away by a nuclear bomb blast in the Nevada desert.

Oak Ridge historians reflect on Robert Oppenheimer's time in the 'Secret City'

188866 - Newsreel footage of the first nuclear bomb tests on a fake town in the Nevada desert.

Wildfire grows into 2nd-largest in Texas history

188763 - A model village with mannequins is readied for a nuclear bomb blast in the Nevada desert.

Two victims of Pompeii volcanic eruption discovered

188767 - People are allowed to walk up and touch the results of an atomic bomb explosion in the 1950s.

188765 - People wait in the early morning hours for a nuclear bomb blast in the Nevada desert.

110250 - Atomic Bomb Blasts

188764 - A model village with food in the fridge is readied for a nuclear bomb blast in the Nevada desert.

188768 - Food stocks are removed from an atomic bomb site for testing and mannequins are inspected for burns.

188782 - Los Alamos, New Mexico in 1951 is no ordinary city.

188887 - A 1952 animated film explains the power and structure of the atom.

110252 - Little Boy Atomic Bomb

188688 - H bomb detonation at Eniwetok, Bikini Atoll.

187530 - The atom bomb attack at Eniwetok in the Pacific Islands.

188755 - The role of the aerial cameraman in the atom bombings of Bikini Atoll.

188747 - Various atomic bomb blasts and mushroom clouds on Bikini Atoll.

188871 - Aftermath of atomic bomb drop on Hiroshima, Japan.

188874 - Aftermath of atomic bomb drop on Hiroshima, Japan.

188875 - Aftermath of atomic bomb drop on Hiroshima, Japan.

188872 - Aftermath of atomic bomb drop on Hiroshima, Japan.

188870 - Aftermath of atomic bomb drop on Hiroshima, Japan.

188873 - Aftermath of atomic bomb drop on Hiroshima, Japan.

188754 - The role of the aerial cameraman in the atom bombings of Bikini Atoll.

188880 - Atomic bomb blast on Bikini Atoll in 1946.

188715 - Nuclear bomb preparation activities at Camp Desert Rock in the 1950s.

188717 - Nuclear bomb preparation activities at Camp Desert Rock in the 1950s.

188716 - Nuclear bomb preparation activities at Camp Desert Rock in the 1950s.

188760 - Sound check prior to atomic bomb blast on Bikini Atoll.

188877 - Aftermath of atomic bomb drop on Hiroshima, Japan.