1910s
1930s
1950s
1970s
1990s
100

Which event in 1914 is often cited as the spark that began World War I?

The assassination of Archduke Franz Ferdinand of Austria-Hungary
100

What ecological disaster devastated the Great Plains during the 1930s?

The Dust Bowl

100

What 1957 Soviet satellite was the first artificial object launched into Earth's orbit?

Sputnik I

100

The 1972 U.S.-Soviet treaty limiting nuclear weapons production was called what?

SALT I (Strategic Arms Limitation Treaty)

100

The dissolution of the Soviet Union in 1991 led to how many independent countries?

15

200

The influenza pandemic of 1918-1919 is often referred to by what name?

The Spanish Flu

200

Who was the British Prime Minister who pursued appeasement with Hitler in the late 1930s?

Neville Chamberlain

200

The Korean War ended in 1953 with the division of Korea at which parallel?

The 38th Parallel
200

The Watergate scandal led to the resignation of which U.S. president in 1974?

Richard Nixon

200

Who became South Africa's first Black president in 1994?

Nelson Mandela

300

Which ship's sinking in 1915 helped shift U.S. public opinion during World War I?

RMS Lusitania

300

In 1937, Japan invaded which country, beginning the Second Sino-Japanese War?

China

300

In 1954, the U.S. Supreme Court ruled in Brown v. Board of Education against what policy?

Racial segregation in public schools

300

In 1973, the Yom Kippur War was fought between Israel and which two main Arab nations?

Egypt and Syria

300

The Rwandan genocide in 1994 was primarily a conflict between which two ethnic groups?

Hutu and Tutsi

400

The Russian Revolution of 1917 led to the abdication of which Tsar?

Tsar Nicholas II

400

The first feature-length animated film was released by Walt Disney in 1937. What was it?

Snow White and the Seven Dwarfs

400

Which rock n roll singer made his first television appearance in 1956, shocking many with his style?

Elvis Presley

400

The Khmer Rouge seized power in Cambodia in 1975 under what leader?

Pol Pot

400

What agreement, signed in 1993, created the framework for the European Union?

The Maastricht Treaty
500

In 1913, which amendment to the U.S. Constitution established a federal income tax?

The 16th Amendment

500

Which U.S. program, created under FDR, aimed to provide jobs and recover from the Great Depression?

The New Deal

500

The European Economic Community (EEC), a precursor to the EU, was formed in what year?

1957

500

What groundbreaking 1977 film launched one of the most successful franchises in movie history?

Star Wars (Ep. IV: A New Hope)

500

Which U.S. technology company introduced Windows 95, revolutionizing personal computing?

Microsoft