-
30,000 BCE
Stone Tools
ANCIENT HISTORY - Technology -
500 BCE
The Pythagoras Theorem
ANCIENT HISTORY - Math -
280 BCE
The Lighthouse
ANCIENT HISTORY - Engineering -
178 BCE
The Antikythera Mechanism
ANCIENT HISTORY - Science -
407
The Origin/Concept of Zero
ANCIENT HISTORY - Math -
Calculus
SCIENTIFIC REVOLUTION - Math -
The Steam Engine
INDUSTRIAL REVOLUTION - Engineering -
The Cotton Gin
INDUSTRIAL REVOLUTION - Technology -
Railroad/Railway
INDUSTRIAL REVOLUTION - Engineering -
Gas Street Lighting
INDUSTRIAL REVOLUTION - Technology -
The Telegraph
INDUSTRIAL REVOLUTION - Technology