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