Updated timelines

Evolucion de la computacion
számítógép fejlődése
slavery
communism
communism timeline
blood
blood timeline
The Cold War 1945-1991
The Cold War 1945-1991 timeline
korean war timeline
Management Growth Throughout History
Management Growth Throughout History timeline
Andrew Jackson Presidency
Andrew Jackson Presidency timeline
Apartheid
Apartheid timeline
Michigan Adventure Activities
HISTORY OF BLOOD
The Abolishionment of Slavery
History Of Blood
History Of Blood timeline
Political Party Timeline Pd.6
MOOC HISTORY
MOOC HISTORY timeline