1970

• Aswan High Dam Completed
• Beatles Break Up
• Computer Floppy Disks Introduced
• Palestinian Group Hijacks Five Planes
• Kent State Shootings

Massimo Vignelli, NYC Subway map, 1972

1972

• M*A*S*H T.V. Show Premiers
• Mark Spitz Wins Seven Gold Medals
• Pocket Calculators Introduced
• Terrorists Attack at the Olympic Games in Munich
• Watergate Scandal Begins

1973

• Roe vs Wade Legalizes Abortion in the U.S.
• Paul Getty Kidnapped
• Sears Tower Built
• Skylab, America’s First Space Station, Is Launched
• U.S. Pulls Out of Vietnam
• U.S. Vice President Resigns

1974

• Halie Selassie, Emperor of Ethiopia, Deposed
• Mikhail Baryshnikov Defects
• Patty Hearst Kidnapped
• Serial Killer Ted Bundy Begins His Killing Spree
• Terracotta Army Discovered in China
• U.S. President Nixon Resigns

1975

• Arthur Ashe First Black Man to Win Wimbledon
• Cambodian Genocide Begins
• Civil War in Lebanon
• First Monster Truck (Bigfoot) Built
• Former Teamsters Union leader Jimmy Hoffa Goes Missing
• Helsinki Accords Signed
• Microsoft Founded
• Pol Pot Becomes the Communist Dictator of Cambodia
• Saturday Night Live Premiers
• Two Assassination Attempts Against U.S. President Gerald Ford

1976

• Apple Computer Founded
• First Ebola Virus Outbreaks Strike Sudan and Zaire
• Muppet Show Premiers
• Nadia Comaneci Given Seven Perfect Tens
• North and South Vietnam Join to Form the Socialist Republic of Vietnam
• Serial Killer David Berkowitz (Son of Sam) Begins Killing Spree
• Soweto Uprisings in South Africa
• Tangshan Earthquake Kills Over 240,000

1977

• Elvis Found Dead
• Miniseries Roots Airs
• South African Anti-Apartheid Leader Steve Biko Tortured to Death
• Star Wars Movie Released
• Trans-Alaska Pipeline System Finished

1978

• First Test-Tube Baby Born
• John Paul II Becomes Pope
• Jonestown Massacre

1979

• Ayatollah Khomeini Returns as Leader of Iran
• Iran Takes American Hostages in Tehran
• Margaret Thatcher First Woman Prime Minister of Great Britain
• Mother Teresa Awarded the Nobel Peace Prize
• Nuclear Accident at Three Mile Island
• Sony Introduces the Walkman