This 1776 document announced the thirteen American colonies' separation from Great Britain.
What is the Declaration of Independence?
The assassination of this Archduke in 1914 was the spark that ignited World War I.
Who was Archduke Franz Ferdinand?
This symbolic structure, built in 1961, physically divided the German city of Berlin for 28 years.
What was the Berlin Wall?
This "jewel in the crown" of the British Empire gained its independence in 1947, led by figures like Gandhi.
What is India?
The process of interaction and integration among people, companies, and governments worldwide.
What is globalization?
The slogan "Liberty, Equality, Fraternity" became famous during this late-18th century revolution.
What was the French Revolution?
This international organization was created after World War I in an attempt to maintain world peace.
What was the League of Nations?
This Soviet leader's policies of Glasnost (openness) and Perestroika (restructuring) helped lead to the end of the Cold War.
Who was Mikhail Gorbachev?
He was the leader of the Indian independence movement, known for his philosophy of nonviolent civil disobedience.
Who was Mahatma Gandhi?
This 1990s project to map all human DNA has led to major advances in medicine and genetics.
What was the Human Genome Project?
This period during the French Revolution, led by Robespierre, was known for its mass executions by guillotine.
What was the Reign of Terror?
The 1941 aerial attack on this U.S. naval base brought America directly into World War II.
What was Pearl Harbor?
This U.S. Senator led a controversial "witch hunt" for communists in the American government and entertainment industry.
Who was Senator Joseph McCarthy?
Nelson Mandela became the first black president of this African nation after the end of apartheid.
What is South Africa?
This 1986 nuclear disaster in the Soviet Union was the world's worst until Fukushima in 2011.
What was the Chernobyl disaster?
This 1917 revolution led to the creation of the world's first communist state, the Soviet Union.
What was the Russian Revolution (or Bolshevik Revolution)?
This WWII strategy of giving in to an aggressor's demands to avoid conflict was used by Britain and France with Hitler.
What was appeasement?
This 1962 standoff between the U.S. and USSR over missiles placed in a Caribbean country was the closest the Cold War came to nuclear conflict.
What was the Cuban Missile Crisis?
This 1997 event marked the end of British colonial rule over this major Chinese city.
What was the Handover of Hong Kong?
The term for the rapid growth of computer and internet technology that began in the late 20th century.
What was the Digital Revolution (or Information Age)?
His book, The Communist Manifesto, written with Friedrich Engels, inspired many 20th-century revolutions.
Who was Karl Marx?
This 1929 event created the global economic crisis that helped fuel the rise of extremist governments before WWII.
What was the Great Depression (or the Stock Market Crash)?
This "Iron Curtain" speech by a British leader described the division of Europe after WWII.
Who was Winston Churchill?
This Caribbean island, formerly known as Saint-Domingue, became the first black republic after a successful slave revolt.
What is Haiti?
In 2008 this decentralized cryptocurrency became the first permission-less digital currency accessible and exchangeable by anyone with a computer on Earth.
What is Bitcoin?