Reference
Exactly what Tatars can train, build and research, by age.
Cavalry Archer civilization
•Livestock animals last +50% longer
•Units deal +25% damage when fighting from higher elevation
•New Town Centers spawn 2 Sheep starting in Castle Age
•Thumb Ring, Parthian Tactics free
Team bonusMounted Archers +2 line of sight
55 units · 28 buildings · 68 technologies. Each building carries what it trains and researches; upgrades sit under what they upgrade from.