Updated timelines

Westward timeline act
Greece
Cold War 1945- 1990
Flagstaff Steve
EAD no Brasil e minha vida acadêmica
Einstein's Dev. of General Realivity Theory
Linea de tiempo A01421975
Mi Linea
WWII
Lenore 2014 Timeline
Unit 3
Born On Date
Workflow
Major US events in 1990s
Chapter 7
17.2 Timeline