-They created hieroglyphics.
-They killed people that they fought in battles for religious ceremonies to their gods.
-They made a very accurate calendar by watching the heavens
-Their gods needed blood for nourishing.
-They developed a system of math.
-The Mayans possessed one of the greatest civilizations of the western hemisphere.
-The rise of the Maya began about 250 CE, and what is known to archaeologists as the classic Mayan period until about 900 CE.
-The Spanish forced the Maya to work for them in the early 1500s.
-The first true civilization was established 1500 BC- 300 AD.