4th millennium BC
millennium between 4000 BC and 3001 BC
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The 4th millennium BC refers to the thousand-year period from 4000 to 3001 BC, a time when early civilizations were developing writing systems, building the first cities, and establishing complex societies. This era matters because it marks the emergence of some of humanity's most important innovations, including written language and organized states, which laid the foundation for all recorded history that followed.
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From top left clockwise: The Temple of Ġgantija, one of the oldest freestanding structures in the world; Warka Vase; Bronocice pot with one of the earliest known depictions of a wheeled vehicle; Kish tablet, an example for proto-writing; Pharaoh Narmer is credited with uniting Upper and Lower Egypt and is depicted as such in the Narmer Palette. The 4th millennium BC spanned the years 4000 BC to 3001 BC. Some of the major changes in human culture during this time included the beginning of the Bronze Age and the invention of writing, which played a major role in starting recorded history.
Monte d'Accoddi is an archaeological site in northern Sardinia, Italy, located in the territory of Sassari near Porto Torres. 4th millennium BC.