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