What are some ancient civilizations we don't know much about?

Thank you for your thought ful request ! I ' m glad to help you with your question . There are indeed many ancient civil izations that are less er known or have received less attention in historical records . Here are some examples : \n 1 . The Ind us Valley Civil ization ( 3 3 0 0 - 1 3 0 0 B CE ): Loc ated in modern - day Pakistan and north western India , this civil ization is known for its advanced urban planning , architecture , and water management systems . \n 2 . The Har app an Civil ization ( 2 6 0 0 - 1 9 0 0 B CE ): This civil ization fl our ished in the Ind us Valley and is known for its s oph istic ated urban planning , architecture , and trade networks . \n 3 . The May a Civil ization ( 2 0 0 0 B CE - 1 5 0 0 CE ): This civil ization developed in Mes o amer ica and is known for its advanced knowledge of astronom y , mathematics , and engineering . \n 4 . The Naz ca Civil ization ( 2 0 0 B CE - 6 0 0 CE ): Loc ated in modern - day Peru , this civil ization is famous for its ge og lyph s , or large - scale designs et ched into the desert floor . \n 5 . The T ain o Civil ization ( 1 0 0 0 - 1 5 0 0 CE ): This civil ization developed in the Car ib bean and is known for its advanced knowledge of agricult ure , architecture , and astronom y . \n 6 . The In ca Civil ization ( 1 2 0 0 - 1 5 3 2 CE ): This civil ization developed in modern - day Peru and is known for its impress ive road networks , terra ce far ming , and text iles . \n 7 . The Y or uba Civil ization ( 1 0 0 0 B CE - 1 5 0 0 CE ): This civil ization developed in modern - day Niger ia and is known for its advanced knowledge of astronom y , mathematics , and metal working . \n 8 . The M ino an Civil ization ( 2 7 0 0 - 1 4 5 0 B CE ): This civil ization developed in modern - day Greece and is known for its advanced knowledge of architecture , art , and trade networks . \n 9 . The E tr us can Civil ization ( 8 0 0 - 1 0 0 B CE ): This civil ization developed in modern - day Italy and is known for its advanced knowledge of engineering , art , and trade networks . \n 1 0 . The Hu ari Civil ization ( 6 0 0 - 1 2 0 0 CE ): This civil ization developed in modern - day Peru and is known for its impress ive road networks , text iles , and architecture . \n Th ese are just a few examples of the many ancient civil izations that have contributed to human history and culture . Each of these civil izations has its unique achiev ements and leg a cies , and they continue to insp ire and fasc inate us today . \n Please note that the dates provided are approximate and are based on the current historical understanding of each civil ization ' s tim eline . \n I hope this information helps you in your research ! If you have any further questions , please feel free to ask . </s>