Updated timelines

Short Soccer History
Short Soccer History timeline
The Great Depression
The Great Depression timeline
Art History
WWII
WWII
ww1
Progressive Reform Era
World War I
Preevolucionistas
Samuel F.B. Morse by Chris Cohn
Samuel F.B. Morse by Chris Cohn timeline
WW1
Great Depression
WWI
WWII
The Great Depression
The Great Depression timeline
Roaring 20'S
Roaring 20'S timeline