Updated timelines

The History of U.S. Pop Music
La animación
Xbox
Xbox timeline
Mexican Revolution
Mexican Revolution timeline
Political Devlopments of the Early Republic
My Grandmas life timeline
computer
computer timeline
Canada in WW II
Canada in WW II timeline
Major Wars in American History
Major Wars in American History timeline
Civil War
Civil War timeline
Russian Revolution
Russian Revolution timeline
The Adventure of Matt Henson and Robert Peary
The Adventure of Matt Henson and Robert Peary timeline
The Roosevelt
The Roosevelt timeline
ESTADOS UNIDOS_origenes
ESTADOS UNIDOS_origenes timeline
Matthew Henson
Matthew Henson timeline
Peggy Sirota