Updated timelines

Samarco
Soviet Union Timeline
United States
TImeline
NAFTA
Magnificient Four: Prolific Education Court Cases of the 21st Century
The Rise to Democracy
Ditadura Militar
History involving IDEA
Linea de tiempo Informatica
George Washington
Canada en Afghanistan
Bioética
Linea del tiempo
Guerra del Peloponesio
Dirk Hartog