Updated timelines

Socials China
transition to the modern world timeline
1970
WW II Zack Clausen
linea de tiempo
Colonization and Exploration Timeline
Tmeline de Dupont
Dad's Timeline
Colonizing America
Austin
WW2
Cas Manga
World War II Battles Through History
world war II timeline_colinwalrath
post WW2
World War II Timeline_VBenfield