20th century BC
Also known as 20th-century BC
century which lasted from the year 2000 BC to 1901 BC
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The 20th century BC is the period of time spanning from the year 2000 BC to 1901 BC, roughly 4,000 years ago. This era matters because it was a formative time in human history when ancient civilizations like Egypt, Mesopotamia, and the Indus Valley were developing complex societies, writing systems, and monumental architecture.
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The 20th century BC was a century that lasted from the year 2000 BC to 1901 BC.
The period of the 2nd Millennium BC