Updated timelines

the 1950's
Yuri Gargarin
political and military events of 1938
The Cold War
United States History
Adolf Hitler Timeline
Adolf Hitler Timeline
All Quiet on the Western Front
All Quiet on the Western Front timeline
World War II
World War II timeline
United States History by: john nathan stolle
Brazil
Czechslovakia Timeline
Little Girls in Pretty Boxes
Little Girls in Pretty Boxes timeline
United States History
Madison Waech
WWII
Atomic Theory Timeline