Updated timelines

Eli Whitney & Cotton Gin
Eli Whitney & Cotton Gin timeline
colonial times
John Deere
John Deere timeline
colonial times
John Deere & Steel Plow
John Deere & Steel Plow timeline
American History
Stair Lifts & Benefits
Robert Fulton & Steamboat
Robert Fulton & Steamboat timeline
Samuel Slater & Factory System
Samuel Slater & Factory System timeline
colonial times
Colonial Times
American History
My Awesome Life
My Awesome Life timeline
History of Canada's Dangerous Offender Legislation
History of Canada's Dangerous Offender Legislation timeline
Svarta veckan
HISTORY OF PHOTOGRAPHY