First Use of Atomic Bomb
Chinese Cultural Revolution Start
Event Leading to End of Cold War
First Country to Legalize Same-Sex Marriage
Fall of the Berlin Wall
Berlin Conference, 1884-1885
First Man on the Moon
Concept of Social Contract
Assassination Triggering WWI
First Person in Space
Event Symbolizing End of Soviet Control in Eastern Europe
Event Leading to US Entry into WWII
Cuban Missile Crisis, Year
Decolonization in Africa and Asia, Peak
Declaration of the Rights of Man and of the Citizen, Year
End of Apartheid in South Africa
D-Day Invasion, Year
Climate Change Key Agreement
9/11 Attacks Location
Founder of Facebook
First Female British Prime Minister
Axis Powers in WWII
First Industrialized Country
First African Country to Gain Independence Post-WWII
Event Signifying the Start of the Space Race