Updated timelines

Irish History
Civil War
Civil War
Civil War
Paul Revere
WWI
Great Depression & WWII
Age of Exploration
Performance
Unity vs Diversity
Historia Adm.ambiental
medieval timeline
WWII-Europe, Pacific, and Homefront
Cinema Admissions from 1935 - 2013 (millions)
To Kill a Mocking Bird 2
The World at War