History book

Historical Background

By daisy`
  • Albert Einstein

    Albert Einstein

    Albert Einstein proposes theory of relativity.
  • Europe-World War ll starts

    Europe-World War ll starts

    Hitler invades Poland; World War II begins.
  • Twin tawers go down

    Twin tawers go down

    Hijacked planes crashed into the World Trade Center in New York, the Pentagon in washinton, D.C., and a field in rural Pennsylvania. Thousands of lives are lost.