The World

  • Period: to

    The world

  • Dynamite

    Dynamite
    Alfred Nobel invented a safe way of using explosives.
  • Gun

    Gun
    Hiram Maxim invented the first machine gun.
  • WW1

    WW1
    World war one began.
  • Gas Mask

    Gas Mask
    Grarret Augustus Morgan an African inventer invented the first gas mask.
  • WW2

    WW2
    World War two began.