Prehistory Flagellants Trepanning Renaissance Herbal remedies Quack doctors Mud and leaves used to set broken bones Printing press 1440 Ancient Egypt Andreas Vesalius 1514-1564 Washing twice a day Ambroise Paré 1510-1590 Channel theory William Harvey 1578-1657 Ancient Greece Bezoar stone The Four Humours Microscope 1590 Public toilets Industrial Revolution Asclepeia Vaccination 1796 Ancient Rome Chloroform 1847 Opposites theory Germ Theory 1864 (proved) Public baths Carbolic spray 1865 Medieval X-rays 1895 Female surgeons Twentieth century Don’t question Galen Blood types 1901 Urine chart Penicillin 1928 Zodiac chart NHS 1948 The Black Death 1348 Transplant surgery (heart 1967)