Updated timelines

WWII
ww1
World War I
WWII
Progressive Reform Era
Preevolucionistas
Samuel F.B. Morse by Chris Cohn
Samuel F.B. Morse by Chris Cohn timeline
WWI
WW1
Great Depression
The Great Depression
The Great Depression timeline
WWII
WW1
Roaring 20'S
Roaring 20'S timeline
Road to Revolution
Ronnell Clark Timeline