Complex sentence: The earliest major civilization of the state is Teotihuacan, with the Pyramids of the Sun and Moon being built between 100 BCE and 100 CE. Between 800 and 900 CE, the Matlatzincas established their dominion with Teotenango as capital.
Split into simpler sentences: The earliest major civilization of the state is Teotihuacan, with the Pyramids of the Sun and Moon being built between 100 BC and AD 100. Between AD 800 and AD 900, the Matlatzincas established their dominion with Teotenango as capital.