1. $3.50
   $13.50
2. $23

Oh, how times have changed. Back in the early '70s, it cost just $3.50 to go to Disney World. These days, tickets are more than $115.

1. Bill Gates
   Warren Buffett
2. Phil Mickelson

In 1975, Bill Gates and Phil Allen founded a company named Microsoft. A few years later, Microsoft became one of the world's most powerful software companies.

1. a rock concert
   a huge graduation ceremony
2. a massacre

On May 4, 1970, Ohio National Guard members fired on Vietnam War protesters at Kent State. Four students were killed and nine others were hurt.

1. abortion
   substance abuse
2. Vietnam War

In 1971, the Times began publishing parts of the Pentagon Papers, a series of papers that show how the U.S. and its leaders escalated the Vietnam War and lied to the public about the conflict. It caused a major uproar around the world.

1. Toronto
   New York
2. Chicago

It is now called the Willis Tower and it is no longer the tallest building in the world. But when the Sears Tower opened in Chicago in 1973, it was the apex of skyscraper construction, the tallest building on the planet.

1. The Who
   the Beatles
2. Skinny Puppy

Beleaguered by fan overload, victims of their own phenomenal success, the Beatles disbanded in 1970. It was a short but thrill-filled ride for Beatlemania.

1. nuclear accident
   assassination attempt
2. kidnapping

In March 1979, a partial meltdown occurred at Three Mile Island Nuclear Generating Station in Pennsylvania. Millions of people were exposed to at least a little bit of radiation that day, but no one has officially died from exposure during the accident, which still ranks as America's worst nuclear incident.

1. created Medicare
   ended segregation
2. lowered the voting age

The 26th Amendment lowered the voting age from 21 to 18 years old. Finally, if you were old enough to be drafted for war, you were old enough to vote for the men and women who were sending you to war.

1. NASCAR
   golf
2. horse racing

The year 1973 was the year of Secretariat, perhaps the most famous horse ever. The horse won the Triple Crown of racing, and did so with convincing wins.

1. the moon
   Mars
2. Halley's Comet

Apollo 13 had the moon in mind when it launched from Earth. But an onboard explosion left the craft crippled and the astronauts desperately holding on to survival.

1. home video recording
   compact disc playback
2. wound cleansing

In the mid-'70s, Sony's Betamax made it easy for anyone to create home videos. But it wasn’t long before VHS began challenging Betamax, which eventually lost the format war.

1. "Donkey Kong"
   "Pac-Man"
2. "Pong"

Sure, "Pong" was ridiculously basic -- just use two paddles to bat a ball back and forth. But it was an interactive medium, one that caught the attention of gaming fans everywhere.

1. 42
   56
2. 71

Elvis, the king of rock 'n roll, couldn't maintain his high-speed lifestyle of drugs and touring. He died at home at the young age of 42.

1. true
2. false

It's true. The Towers were completed in 1973, becoming a famous part of the New York City skyline until they were destroyed in terror attacks in 2001.

1. Brandon Lee
   Bruce Lee
2. Jackie Chan

Bruce Lee was -- and probably still is -- the most famous martial artist in world history. He died from a strange drug issue when he was just 32, right before his movie "Enter The Dragon" became a huge hit.

1. Cambodia
   Canada
2. Ghana

President Nixon ordered the invasion of Cambodia as part of the neverending Vietnam War. The invasion was meant to destroy North Vietnamese troops who used the area for staging attacks across the border.

1. India
   Japan
2. Canada

Gandhi was elected as prime minister of India -- for the second time -- in 1971. Eventually, she got all the way to four terms but was assassinated by her own bodyguards.

1. smallpox
   Nixon's presidency
2. Vietnam War

In 1975, the North Vietnamese finally pushed into Saigon. American troops and their allies fled, and the Vietnam War finally came to an end.

1. Richard Nixon
   Theodore Roosevelt
2. Ronald Reagan

In '72, Nixon was elected to a second term when he obliterated George McGovern in the general election. Just a few months later, Nixon probably wished he'd never been president, as a scandal began defining his terms in office.

1. He had twins.
   He became a chess champion.
2. He had a heart transplant.

American Bobby Fischer became World Chess Champion in 1972. It was the first time since 1948 that a Soviet citizens hadn't won the coveted title.

1. rigged election
   burglary
2. infidelity

Five men were arrested for breaking into the Democratic National Committee in June 1972. Months later, investigators realized they were on the president's payroll … and the Watergate scandal began picking up steam.

1. Kansas City Chiefs
   Miami Dolphins
2. New England Patriots

The '72 Dolphins won every game they played, including the Super Bowl. It was the first and only time that NFL team has won every single game in a season.

1. Mick Jagger
   Jimi Hendrix
2. Stephen Tyler

In September 1970, guitar hero Jimi Hendrix died of a drug overdose in London. He was just 27 years old.

1. "Scarface"
   "The Godfather"
2. "American Graffiti"

In 1972, Brando shot to superstardom by playing a mafia boss in "The Godfather." The movie is considered one of the best of the entire century.

1. A terror attack happened.
   Black athletes swept gold in all the running events.
2. Hitler made a surprise appearance.

In Munich, Palestinians terrorists took Israeli athletes hostage. The made-for-TV tragedy ended with nine dead hostages and altered the way law enforcement responded to such events.

1. Microsoft
   Commodore
2. Xerox

In 1977, Commodore unveiled its PET 2001 computer. It was one of the first personal computers ever to hit the retail market.

1. triumph
   resignation
2. execution

As the Watergate scandal threatened to end his career, Nixon resigned from the presidency rather than be impeached. He is still the only president ever to resign.

1. China
   Nova Scotia
2. maximum security prison

After decades of East vs. West animosity, Nixon took a step toward peaceful relations by becoming the first American president to visit China. It helped to (somewhat) thaw the icy diplomacy between the two giant countries.

1. escape of prisoners
   outbreak of tornadoes
2. outbreak of measles

In April 1974, a huge outbreak of tornadoes swept the U.S. and Canada in a 24-hour period. Nearly 150 people died and hundreds more were hurt in the widespread devastation.

1. Jimmy Carter
   Bill Clinton
2. George H.W. Bush

After a tumultuous decade in presidential politics, a kinder, gentler face appeared on the scene. Jimmy Carter replaced Ford and the stain of Watergate and became noted for his work with human rights.