Updated timelines

Hero Project
Hero Project timeline
European explorations of the past By layla aleckovic and colton kinard
20th Century Russia
20th Century Russia timeline
Appeasement
Structure of the atom
Galileo Galilei
Galileo Galilei timeline
Hero's Journey Project
Nossa Historia
Nossa Historia timeline
Appeasement Project
Little Old Me
HITLER TIMELINE
HITLER TIMELINE timeline
The Masters
The Masters timeline
My Heros Project
My Heros Project timeline
Heroism
American revolution
American revolution timeline
Major Conflicts
Major Conflicts timeline