- 
  
  Uranium was discovered.
 - 
  
  Marie Curie's research had revealed that two uranium ores, pitchblende and chalcolite, were much more radioactive than pure uranium itself.
 - 
  
  Einstein created th equation e=mc2, which is the theory that tiny particles could be converted into energy, foreshadowing the development of atomic power.
 - 
  
  Neils Bohr was a physicist who came up with a theory on atomic structures and radiation emission. Also, he created the "Solar System" atomic model.
 - 
  
  Physicist Enrico Fermi discovered the potential of nuclear fission.
 - 
  
  Hahn and Strassman showed that fission not only released a lot of energy but it also released additional neutrons.
 - 
  
  The Manhattan Project was a secret military project to produce the first US nuclear weapon.
 - 
  
  "Little Boy" was dropped onto the town of Hiroshima.
 - 
  
  "Fat Man" was dropped onto the town of Nagasaki.
 - 
  
  Power plants started sprouting up in the 1950s to the 1960s
 - 
  
  The power plant started construction.
 - 
  
  The first power plant was made and completed.