Updated timelines

Westward Expansion
Westward Expansion timeline
Early Medieval Animal Art
Road to Revolution
Road to Revolution-annemrachelk
Road to Revolution - Leah Morin & Allie Hansen
朱雯婷
朱雯婷 timeline
Oregon trail
America's cup history
America's cup history timeline
Oregon Trail
Oregon Trail timeline
colonial times
Pioneers
Pioneers timeline
97th Congress (Jan 3, 1981 – Jan 3, 1983)
97th Congress (Jan 3, 1981 – Jan 3, 1983) timeline
The American Revolution
Revolutionary War
Revolutionary War Events
REPSI
REPSI timeline