This document summarizes over 200 milestones in the history of clinical research regulation and ethics from 600 BCE to present day. Some key events include Walter Reed obtaining written consent in 1900, the Nuremberg Code establishing ethics guidelines after World War II, and the establishment of the FDA and institutional review boards in the 1960s-70s to provide oversight of clinical research. The milestones show generally progressive development of regulations to protect patients and ensure scientific validity, though the path was sometimes erratic.