| Year/Era | Event | Significance | 
            
                | ~1800 BCE | Babylonian Code of Hammurabi includes early legal principles for evidence and punishment. | One of the earliest recorded legal systems, laying groundwork for structured justice processes. | 
            
                | ~700 BCE | Chinese use fingerprints on clay tablets for identification in business transactions. | Earliest known use of fingerprints, foreshadowing forensic dactyloscopy. | 
            
                | ~200 BCE | Chinese coroners document cause of death in the book Xi Yuan Ji Lu (The Washing Away of Wrongs). | First recorded forensic practices for determining cause of death, including drowning and strangulation. | 
            
                | 1248 CE | Chinese text Hsi Duan Yu details forensic methods for distinguishing accidental death from murder. | Early codification of forensic techniques in criminal investigations. | 
            
                | 1590 | Zacharius Jannsen invents the compound microscope in the Netherlands. | Enabled detailed examination of trace evidence, foundational for forensic microscopy. | 
            
                | 1784 | John Toms convicted in England using physical evidence (matching torn paper). | Early use of physical evidence matching in a criminal trial. | 
            
                | 1813 | Mathieu Orfila publishes Treatise on Poisons, establishing forensic toxicology. | Introduced systematic poison detection, revolutionizing poisoning case investigations. | 
            
                | 1835 | James Marsh develops the Marsh Test for detecting arsenic. | Enhanced forensic chemistry by providing a reliable method for poison identification. | 
            
                | 1836 | Henry Goddard uses bullet comparison to solve a murder case in England. | Early application of ballistic analysis in criminal investigations. | 
            
                | 1880 | Thomas Dwight pioneers skeletal analysis for identification in forensic anthropology. | Established methods for identifying remains based on age, sex, and stature. | 
            
                | 1887 | Alphonse Bertillon develops anthropometry (Bertillonage) for criminal identification. | First systematic method for individual identification before fingerprints. | 
            
                | 1892 | Sir Francis Galton publishes Finger Prints, proving fingerprint uniqueness. | Laid the foundation for forensic fingerprinting as a reliable identification method. | 
            
                | 1893 | Hans Gross publishes Handbook for Coroners, formalizing criminalistics. | Introduced scientific methods to police work, establishing criminalistics as a discipline. | 
            
                | 1897 | Oscar Amoedo uses dental records to identify victims of the Bazar de la Charité fire. | Established forensic odontology for victim identification in mass disasters. | 
            
                | 1901 | Edward Henry develops the Henry Classification System for fingerprints. | Streamlined fingerprint identification, adopted globally by law enforcement. | 
            
                | 1910 | Albert S. Osborn publishes Questioned Documents, founding forensic document examination. | Standardized scientific analysis of handwriting, ink, and paper for legal cases. | 
            
                | 1910 | Edmond Locard establishes the first forensic laboratory in Lyon, France, and formulates the exchange principle. | Introduced trace evidence analysis, revolutionizing forensic investigations. | 
            
                | 1920 | Calvin Goddard develops the comparison microscope for ballistic analysis. | Improved accuracy in matching bullets to firearms, founding forensic ballistics. | 
            
                | 1932 | FBI establishes its first crime laboratory in the United States. | Marked the institutionalization of forensic science in law enforcement. | 
            
                | 1940 | Arthur Mourant advances blood group analysis for forensic serology. | Enhanced identification through blood and bodily fluid analysis. | 
            
                | 1977 | Bernard Greenberg establishes forensic entomology for estimating time of death. | Introduced insect analysis as a reliable method for postmortem interval estimation. | 
            
                | 1984 | Alec Jeffreys develops DNA fingerprinting techniques. | Revolutionized forensic identification with highly accurate DNA profiling. | 
            
                | 1986 | First use of DNA evidence in a criminal case (Colin Pitchfork case, UK). | Demonstrated the power of DNA profiling in solving crimes. | 
            
                | 1990 | Development of PCR (Polymerase Chain Reaction) enhances DNA analysis sensitivity. | Enabled DNA profiling from minute biological samples, expanding forensic applications. | 
            
                | 2000s | Advancements in digital forensics for analyzing electronic evidence. | Addressed the rise of cybercrime with tools for recovering data from digital devices. | 
            
                | 2010s | Next-generation sequencing (NGS) introduced for forensic DNA analysis. | Improved accuracy and speed of DNA profiling, including complex mixture analysis. | 
            
                | 2020s | Integration of AI and machine learning in forensic science for pattern recognition and evidence analysis. | Enhanced efficiency in fingerprint matching, facial recognition, and drug identification. | 
            
                | 2025 | Ongoing advancements in forensic proteomics and metabolomics for identifying biological markers. | Expands forensic capabilities in identifying individuals and substances beyond DNA. |