AoE IV Tech Tree
Civilizations
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Landmarks
Military
Support
Economic
I
Dark Age
Chamber of Commerce
School of Cavalry
Barracks
Spearman
Town Center
Scout
Villager
Lumber Camp
Forestry
Mill
Survival Techniques
Wheelbarrow
Mining Camp
Dock
Outpost
II
Feudal Age
Guild Hall
Royal Institute
Hardened Spearman
Archery Range
Archer
Stable
Horseman
Royal Knight
Chivalry
Blacksmith
Bloomery
Fitted Leatherwork
Iron Undermesh
Siege Engineering
Steeled Arrow
Textiles
Double Broadax
Horticulture
Professional Scouts
Specialized Pick
Market
Trader
Demolition Ship
Fishing Boat
Galley
Trade Ship
Transport Ship
War Cog
Extended Lines
Naval Arrowslits
Arrowslits
Fortify Outpost
III
Castle Age
College of Artillery
Red Palace
Veteran Spearman
Jeanne's Champion
Man-at-Arms
Veteran Archer
Arbalétrier
Gambesons
Veteran Horseman
Veteran Royal Knight
Jeanne's Rider
Cantled Saddles
Siege Workshop
Counterweight Trebuchet
Mangonel
Springald
Greased Axles
Keep
Boiling Oil
Springald Emplacement
Decarbonization
Insulated Helm
Wedge Rivets
Balanced Projectiles
Military Academy
Monastery
Monk
Herbal Medicine
Lumber Preservation
Fertilization
Shaft Mining
Galleass
Drift Nets
Armored Hull
Extra Hammocks
Incendiaries
Springald Crews
IV
Imperial Age
Notre Dame
Elite Spearman
Jeanne's Elite Champion
Elite Man-at-Arms
Elite Archer
Elite Arbalétrier
Handcannoneer
Crossbow Stirrups
Elite Horseman
Elite Royal Knight
Jeanne's Elite Rider
Spyglass
Cannon
Ribauldequin
Adjustable Crossbars
Geometry
Lightweight Beams
Roller Shutter Triggers
Cannon Emplacement
Damascus Steel
Master Smiths
Angled Surfaces
Platecutter Point
University
Chemistry
Court Architects
Elite Army Tactics
Incendiary Arrows
Royal Bloodlines
Serpentine Powder
Siege Works
Silk Bowstrings
Piety
Tithe Barns
Crosscut Saw
Precision Cross-Breeding
Cupellation
Merchant Guilds
Carrack
Explosives
Heated Shot
Long Guns
Shipwrights
Swivel Cannon