Timeline of most important events in 20th and 21th centuries

By Maria GV9
  • Mexican Revolution

    Mexican Revolution

  • World War l

    World War l

  • The Russian Revolution and Communism

  • Penicillin successfully used to treat a first patient

    Penicillin successfully used to treat a first patient

  • World War ll

    World War ll

  • First chemotherapy treatment

    First chemotherapy treatment

  • The demolition of the Berlin Wall

    The demolition of the Berlin Wall

  • The 9/11 attack on the Twin Towers

    The 9/11 attack on the Twin Towers

  • Facebook is formed by Mark Zuckerberg at Harvard

    Facebook is formed by Mark Zuckerberg at Harvard

  • Creation of the first artificial heart

    Creation of the first artificial heart