# data[].attributes.headline
1970: U.S. President Richard Nixon orders an invasion of Cambodia, widening the war in Vietnam. In protest, millions march across the U.S. University campuses are shut down by student strikes. Four protesters at Kent State University in Ohio are killed by National Guard troops.

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1970: U.S. President Richard Nixon orders an invasion of Cambodia, widening the war in Vietnam. In protest, millions march across the U.S. University campuses are shut down by student strikes. Four protesters at Kent State University in Ohio are killed by National Guard troops.

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1971: U.S. Supreme Court rules unanimously that busing students may be ordered to achieve racial desegregation of schools.

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1971: U.S. Supreme Court rules unanimously that busing students may be ordered to achieve racial desegregation of schools.

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1972: Five men are caught breaking in to the Watergate Complex where the Democratic Party offices are – the start of the Watergate Scandal.

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1972: Five men are caught breaking in to the Watergate Complex where the Democratic Party offices are – the start of the Watergate Scandal.

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1973: Supreme Court rules on Roe v. Wade legalizing abortion.

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1973: Supreme Court rules on Roe v. Wade legalizing abortion.

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1974: The House Judiciary Committee indicts President Richard Nixon for impeachment over the Watergate Scandal. In August, Nixon resigns his office, the first president to do so. Vice President Gerald Ford is sworn in as 38th president. In September, Ford grants Nixon a "full, free and absolute pardon."

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1974: The House Judiciary Committee indicts President Richard Nixon for impeachment over the Watergate Scandal. In August, Nixon resigns his office, the first president to do so. Vice President Gerald Ford is sworn in as 38th president. In September, Ford grants Nixon a "full, free and absolute pardon."

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1975: North Vietnamese enter Saigon. The last group of Americans are evacuated by helicopter at the last minute from the roof of the embassy. The War in Vietnam is over.

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1975: North Vietnamese enter Saigon. The last group of Americans are evacuated by helicopter at the last minute from the roof of the embassy. The War in Vietnam is over.

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1976: Jimmy Carter is elected the 39th President.

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1976: Jimmy Carter is elected the 39th President.

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1978: Egypt's president Anwar Sadat and Israeli premier Menachem Begin sign a "Framework for Peace" after meeting for 13 days with Jimmy Carter at Camp David. Later they win the Nobel Peace Prize.

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1978: Egypt's president Anwar Sadat and Israeli premier Menachem Begin sign a "Framework for Peace" after meeting for 13 days with Jimmy Carter at Camp David. Later they win the Nobel Peace Prize.

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1979: In Iran, the Shah leaves the country after years of turmoil. Exiled Muslim leader Ayatollah Khomeini returns and declares an Islamic republic.

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1979: In Iran, the Shah leaves the country after years of turmoil. Exiled Muslim leader Ayatollah Khomeini returns and declares an Islamic republic.

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1980: The Iranian hostage crisis deepens. The U.S. breaks diplomatic ties with Iran. Then eight Americans are killed when helicopters collide in a rescue mission.

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1980: The Iranian hostage crisis deepens. The U.S. breaks diplomatic ties with Iran. Then eight Americans are killed when helicopters collide in a rescue mission.