When scholars look at the passage of history, certain epochs and transitions to new periods tend to stand out. The transition from the early modern to the Industrial Age in the late 18th century and the collapse of the Roman Empire are two of the more well known, but the transition from the Bronze to the Iron Age during the late 13th and early 12th centuries B.C. arguably changed the structure and course of world history more fundamentally than any period before or since. During this period, numerous wealthy and enduring kingdoms of the eastern Mediterranean Sea region collapsed, and new ones rose in their places. While the Bronze Age is recognized as one of history's most important phases, it's been hard for historians to precisely date. The idea of the Bronze Age comes from a three-age system developed in the 19th century through which archaeologists and historians believe cultures evolve. These three ages are the Stone Age, the Bronze Age, and the Iron Age, and the concept of the system stems from the simultaneous development of museums in Europe during that time. In the Royal Museum of Nordic Antiquities in Denmark, Christian Jürgensen Thomsen, the director of the museum, began classifying objects of stone, bronze, or iron to better categorize and exhibit them. Each archaeological artifact was thus sorted according to their materials and further organized by shape and style. Through such methodology, working alongside archaeological reports, he was able to show how certain objects changed over time. Such a typology, combined with stratigraphy noted in archaeological reports, was useful to early archaeologists with no reliable method for dating artifacts. By understanding which object came before or after, early archaeologists had a relative dating system with which to assess the age of an object or culture.
