D-Day Invasion, Year

1944

First Person in Space

Yuri Gagarin, 1961

Founder of Facebook

Mark Zuckerberg, 2004

Event Symbolizing End of Soviet Control in Eastern Europe

Fall of the Berlin Wall

First Man on the Moon

Neil Armstrong, 1969

Event Leading to End of Cold War

Collapse of Soviet Union, 1991

Event Leading to US Entry into WWII

Pearl Harbor, 1941

Axis Powers in WWII

Germany, Italy, Japan

First Industrialized Country

United Kingdom

Concept of Social Contract

Jean-Jacques Rousseau

Decolonization in Africa and Asia, Peak

1950s-1960s

Climate Change Key Agreement

Paris Agreement, 2015

First Female British Prime Minister

Margaret Thatcher

Event Signifying the Start of the Space Race

Sputnik Launch, 1957

Berlin Conference, 1884-1885

Regulation of European Colonization

Fall of the Berlin Wall

1989

Cuban Missile Crisis, Year

1962

First Use of Atomic Bomb

Hiroshima, 1945

9/11 Attacks Location

United States, 2001

First Country to Legalize Same-Sex Marriage

Netherlands, 2001

Chinese Cultural Revolution Start

1966

First African Country to Gain Independence Post-WWII

Ghana, 1957

Assassination Triggering WWI

Archduke Franz Ferdinand

End of Apartheid in South Africa

1994

Declaration of the Rights of Man and of the Citizen, Year

1789