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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Século XXI a.C. - Século XX a.C. - Século XIX a.C. Inicia no primeiro dia do ano 2000 a.C. e termina no último dia do ano 1901 a.C.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).