The Bronze Age was a significant period in human history, marked by the development of metalworking techniques that allowed societies to create tools and weapons from bronze, an alloy of copper and tin. This era began around 3300 BCE in some regions and lasted until approximately 1200 BCE, depending on the location. The use of bronze improved agricultural practices, trade, and warfare, leading to the rise of complex societies and early civilizations. During the Bronze Age, various cultures flourished, including the Sumerians, Egyptians, and Indus Valley civilization. These societies built impressive structures, developed writing systems, and engaged in long-distance trade. The advancements in technology and social organization during this time laid the groundwork for future historical developments, including the Iron Age.