1969:U.S. Astronaut Neil Armstrong is the first man to walk

on the moon.

1971:The 26th Amendment lowers the voting age from 21 to18.

1973: Landmark Supreme Court decision in Roe v. Wade legalizes

abortion.

1974:To avoid being impeached over the scandal surrounding the Watergate break-in and cover up.

Richard Nixon resigns.

1979: After revolution in Iran, 66 Americans are held hostage at the

U.S. embassy in Tehran.

The Iran hostage crisis was a diplomatic crisis between Iran and the United States where 52 U.S. diplomats were held hostage for 444 days from November 4, 1979 to January 20, 1981, after a group of Islamist students took over the American embassy in support of the Iranian revolution.

1981: Sandra Day O’Connor becomes the first woman to serve

on the U.S. Supreme Court.

1986: In the Iran Contra scandal it is revealed that President Reagan authorized the exchange of weapons for hostages and used the proceeds to fund a secret war in

Nicaragua.

1987: President Reagan demands that soviet premier Gorbachev tear

down the Berlin Wall.

“Mr. Gorbachev, Tear down this wall!”

1990: Iraqi troops invade Kuwait sparking the Persian Gulf War.

The Persian Gulf War (2 August 1990 – 28 February 1991) was a United Nations-authorized military conflict between Iraq and a coalition force from 34 nations.

1992: After the collapse of the Soviet Union, George H. W. Bush formally declares the end of the

cold war.

Mr. GorbachevMr. Bush