Blood Timeline By shorneffer 2500 BCE Egyptians tried using blood letting to cure diseases 500 BCE Greeks distinguished between arteries and veins 1659 Anton Van Leeuwenhoek viewed blood cells under a microscope 1795 First blood transfusion was performed 1901 Karl Landsteiner discovered the three blood types; A, B, O 1902 Alfred Descastello discovered the fourth blood type; AB 1922 Percy Pliver established the first blood donor service 1935 Mayo Clinic developed a method to store blood for transfusions 1937 Dr. Bernard Fantus established the first blood bank 1940 Karl Landsteiner Discovered the RH protein 1959 First Case of AIDS recorded in the Congo 1984 Robert Gallo identified the virus causing AIDS 1985 Development or ELISA test to screen for disease like HIV 1987 Scientist began developing blood screening tests for infectious diseases
