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Letter to President
Albert Einstein sends a letter to the president telling him that Nazi Germany is making an atom bomb -
Period: to
Manhattan project
The U.S. is creating a bomb -
WWll Begins
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Building of Atomic Bomb Begins
FDR gives the go-ahead to start the project -
Japan becomes the offical atomic bomb target
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Trinity Test
The first detonation of an atomic weapon occurred in the New Mexico desert. -
Little Boy is dropped on Hiroshima
This is the first of the two bombs to be dropped on Japan killing over 90,000 people intsantly -
Fat Man is dropped on Nagasaki
this was the second of the two bombs to be dropped on Japan