Blood Timeline By meganschrier 2500 BCE Egyptians use bloodletting to try and cure diseases 500 BCE Greeks distinguish between arteries and veins 1659 Anton van Leeuwenhoek viewed blood cells under a microscope 1795 first blood transfusion preformed 1901 Karl Landsteiner discovered blood types A,B, and O 1902 Alfred Decastello discovered fourth blood type, AB 1922 Percy Oliver established the first blood donor service. 1935 Mayo Clinic developed method to store blood for transfusions. 1937 Dr. Benard Fantus established the first blood bank. 1940 Rh protein was discovered by Karl Landsteiner 1959 First case of AIDS recorded in Congo. 1984 Robert Gallo identified virus causing AIDS 1985 Development of ELISA test to screen for diseases like HIV by detecting antibodies in blood 1987 Scientists began developing blood-screening tests for infectious diseases.
