History of Blood

  • 2500 BCE

    Egyptians bloodletting

    Egyptians bloodletting
    Egyptians used bloodletting to try to cure diseases.
  • 500 BCE

    Arteries and Veins

    Arteries and Veins
    Greeks distinguished between arteries and veins.
  • Anton Van Leeuwenhoek and Blood Cells

    Anton Van Leeuwenhoek and Blood Cells
    Anton Van Leeuwenhoek viewed blood cells under a microscope.
  • First Blood Transfusion

    First Blood Transfusion
    The first blood transfusion was performed.
  • Discovery of Three Blood Types

    Discovery of Three Blood Types
    Karl Landsteiner discovered three blood types: A, B, and O.
  • Fourth Blood Type DIscovered

    Fourth Blood Type DIscovered
    Alfred Decastello discovered the fourth blood type: AB.
  • First Blood Donor Service

    First Blood Donor Service
    Percy Oliver established the first blood donor service.
  • Method for Storing Blood Developed

    Method for Storing Blood Developed
    Mayo Clinic developed a method to store blood transfusions.
  • First Blood Bank Established

    First Blood Bank Established
    Dr. Bernard Fantus established the first blood bank.
  • Discovery of Rh Protein

    Discovery of Rh Protein
    Karl Landsteiner discovered the Rh protein.
  • Documentation of AIDS

    Documentation of AIDS
    The first case of AIDS was recorded in the Congo.
  • Virus That Causes AIDS Discovered

    Virus That Causes AIDS Discovered
    Robert Gallo identified the virus causing AIDS.
  • Development of ELISA

    Development of ELISA
    The ELISA test was developed to screen for diseases such as HIV.
  • Blood-Screening for Infectious Diseases

    Blood-Screening for Infectious Diseases
    Scientists began developing blood-screening tests for infectious diseases.