Updated timelines

Javan
The Great Depression and World War II
History Timeline
airplanes
The War of 1812
War Timeline
The Revolutions
W.W.2
African American Pioneers in Sport
Launches
Great Depression and World War II (1920-1945)
France in WW2
The Life of Edgar Allan Poe
A History of Cambodia
Nefertari's Space Timeline
Clinton's Presidency