40's
50's
60's
70's
80's
100

On December 7, 1941, Japan attacked this U.S. naval base in Hawaii

Pearl Harbor

100

This U.S. state became the 49th state in 1959

Alaska

100

This U.S. president was assassinated in Dallas, Texas, on November 22, 1963

John F. Kennedy
100

This beloved sitcom featuring the characters Fonzie, Richie, and the Cunninghams premiered in 1974

Happy Days

100

This British royal married Lady Diana Spencer in a lavish 1981 ceremony 

 Prince Charles

200

This singer was known as “The Voice” and began his solo career in the 1940s 

Frank Sinatra

200

This children's television host began his famous show in 1954 with the words, “Won't you be my neighbor?”

Mr. Rogers

200

This country became the first to send a human into space in 1961, with cosmonaut Yuri Gagarin aboard 

Soviet Union

200

 This U.S. president signed the Camp David Accords in 1978

Jimmy Carter

200

This space shuttle exploded shortly after launching in January 1986, killing all seven crew members
 

Challenger

300

This U.S. general became Supreme Allied Commander in Europe and later president

Dwight Eisenhower

300

This Wisconsin senator became famous for his anti-Communist hearings during the early 1950s

Joseph McCarthy

300

This animated television family made their debut in 1960 and lived in the futuristic world of Orbit City 

The Jetsons

300

This scandal began with a break-in at the Democratic National Committee headquarters in Washington, D.C.

Watergate

300

This 1986 nuclear disaster occurred at a power plant in what was then the Soviet Union

Chernobyl

400

This Indian independence leader was assassinated in January 1948

Mahatma Gandhi

400

This actress famously sang “Diamonds Are a Girl's Best Friend” in the 1953 film Gentlemen Prefer Blondes

Marilyn Monroe

400

This U.S. president signed the Civil Rights Act of 1964 into law

Lyndon B. Johnson

400

This Swedish pop group won the 1974 Eurovision Song Contest with “Waterloo"

ABBA

400

This 1988 presidential candidate famously declared, “Read my lips: no new taxes"

George H.W. Bush
500

This 1946 Christmas classic starring James Stewart features the town of Bedford Falls

It's A Wonderful Life

500

This Supreme Court decision in 1954 ruled that racial segregation in public schools was unconstitutional

Brown vs. Board of Education

500

 This legendary guitarist headlined the 1969 Woodstock festival and famously performed The Star-Spangled Banner

Jimi Hendrix

500

This sketch comedy show debuted in 1975 with a cast that included Chevy Chase, John Belushi, and Dan Aykroyd

Saturday Night Live

500

This 1989 massacre in Beijing became symbolized worldwide by an unidentified man standing in front of tanks

 Tiananmen Square

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