Blood and Blood Spatter

  • 2500 BCE

    2500 B.C

    2500 B.C
    Egyptians used bloodletting to try to cure diseases.
  • 500 BCE

    500 B.C

    500 B.C
    Greeks distinguished between arteries and veins
  • 1569

    1659 A.D

    1659 A.D
    Anton Van Leeuwenhoek viewed blood cells under a microscope.
  • 1795

    1795
    First blood transfusion performed
  • 1901

    1901
    Karl Landsteiner discovered three blood types: A,B,O
  • 1902

    1902
    Alfred Decastello discovered fourth blood type: AB
  • 1922

    1922
    Percy Oliver established the first blood donor service
  • 1935

    1935
    Mayo Clinic developed a method to store blood for transfusions
  • 1937

    1937
    Dr. Bernard Fantus established the first blood bank
  • 1940

    1940
    Karl Landsteiner discovered the RH protein
  • 1959

    1959
    First case of aids recorded in the Congo
  • 1984

    1984
    Robert Gallo identified the virus causing aids
  • 1985

    1985
    Development of ELISA test to screen for diseases such as HIV
  • 1987

    1987
    Scientists began developing blood-screening tests for infectious diseases