The Maya started before recorded history. The last records show of it starting before 1500 BC. Over six million Maya still exist today, so the Maya never actually disappeared, nor the civilization...
Three. The Mayans created and used at least three calendars. 1) The Haab. This was 365 day long with 18 months of 20 days each. 5 days were added at the end, these days were considered to be unlucky...