Updated timelines

Battles
La tecnología en mi vida
La tecnología en mi vida timeline
Civil War
historia tecnología e ingeniería
Cold War 1989-1992
HISTORIA DE LA MEDICINA FAMILIAR
Art Movements
Art Movements timeline
Cold War 1980 - 1988
US Foreign Diplomacy
U.S. Foreign Policy 1900-1941
WWII Timeline
Different Art Movements
Different Art Movements timeline
Starry Night by : Vincent Van Gogh
Starry Night by : Vincent Van Gogh timeline
Period 7 Part 4
Period 7 Part 4 timeline
COMUNIDADES CAMPESINAS
Russian Revolution
Russian Revolution timeline