Chandni Dabral
Follow
Posted 5 year ago
Olmec civilization flourished in Mexico. It's people built large monuments of giant stone heads. It is believed that they developed first writing system, invented the compass and made calender. They even knew the concept of zero.
4 Answer(s)
Lalit Patel
Follow
Posted 5 year ago Lalit Patel

क्या वे सिधु घाटी सभ्यता से भी पुराने थे।

Rahul kumar
Follow
Mitesh Sharma
Follow
Posted 5 year ago Mitesh Sharma

This is the new information for me..

Priya Soni
Follow