Updated timelines

World War 1 Timeline
You're hot and then you're cold
Hitler
salud
The life of Adolf Hitler
Civil War
World War 2
Toward the Civil War
generación de la tecnologia
Hitler
Henrietta Lacks
Hitler timeline
Germany's path to WWII
World War 1: Timeline important events from August 1914 to November 1918.
World War II
Adolf Hitler Timeline