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