jan 1, 1839 - First microscopic detection of sperm.
Description:
Antony van Leeuwenhoek first observed and identified sperm cells in the 17th century, the use of sperm analysis in forensics science remained error-prone, with numerous techniques being practiced and no standard criteria for acceptance or rejection of findings.Added to timeline:
Date:
jan 1, 1839
Now
~ 187 years ago