1559: Italian anatomist Realdo Colombo erroneously claims to have discovered the clitoris, which he called the Amor Veneris, which he described as both the source of female sexual pleasure and also female sperm.
1884: Human procreation is seen on the microscopic level for the first time, conclusively debunking the idea of female sperm and revealing that the clitoris plays no active role in childbearing. As a result, doctors largely assume it's useless and not deserving of further study.
Courtesy: Wikipedia Commons
1905: Sigmund Freud delivers another nail in the clitoral coffin with the publication of Three Essays on Sexual Theory, which indicted clitoral orgasms as a symptom of women's sexual immaturity. Healthy adult female orgasms ought to be vaginal, according to Freud.
1953: Alfred Kinsey published Sexual Behavior in the Human Female, which reoriented the clitoris as the primary source of female orgasm.
Courtesy: Rigorous Intuition
1998: Australian urologist Helen O'Connell published a landmark paper describing the "clitoral complex" that rivals the penis in size. In 2005, her MRI scans of the internal clitoral structure would additionally confirm the external glans most people had assumed to be the extent of the clitoris is just the anatomical tip of the iceberg composed of at least 18 distinct functional parts.
Courtesy: Museum of Sex
2009: French surgeons Pierre Foldès and Odile Buisson publish the first 3-D ultrasound of the clitoris.