Technology

Transportation
Early Sail Powered Galleons
Horse Collar
Horse Shoes
Sprung Carriages
Road Systems
Railroads (Horse Powered)

Military
Regimental Organization
Stirrups
Pikes & Crossbow

Medicine
Sterilization
Anesthesia
Sanitation

Science
Scientific Method
Molecular Theory
Astronomy

Civil
Concrete
Aqueducts
Counterbalance Cranes
Deep Shaft Mining

Agriculture
Crop Rotation
Cotton
Mechanical Reapers
Irrigation
Grain Silos

Special Items
Razors
Hot Air Ballons
Indoor Plumbing
Matches (Lucifers)
Telescopes
High Quality Steel

Technology

Sentinels Grimsige