-
1970
-The Public Broadcasting System (PBS) begins operations, succeeding National Educational Television (NET).
-The Occupational Safety and Health Act, or OSHA, is signed into law. -
1971
-President Richard Nixon ends the United States Gold standard monetary policy known as the Nixon Shock
-26th Amendment ratified, allowing 18-year-olds to vote. -
1972
-Anti-Ballistic Missile Treaty signed with USSR
- Five men arrested for the burglary of the Democratic National Committee headquarters at the Watergate office complex in Washington, D.C.
-President Nixon re-elected -
1973
-Paris Peace Accords ends direct U.S. involvement in the Vietnam War
-Vice President Spiro T. Agnew resigns in disgrace as part of a plea bargain. Congressman Gerald R. Ford of Michigan becomes the first person to be appointed Vice President under the 25th Amendment to the Constitution -
1974
-The House Judiciary Committee votes to impeach the President
-President Nixon resigns, becoming the first (and as of 2011, the only) President to step down. Vice president Ford becomes President. Nelson A. Rockefeller of New York becomes the second person to be appointed Vice President under the 25th Amendment to the Constitution -
1975
-President Ford survives two assassination attempts in a 17-day time span. -
1976
-The Copyright Act of 1976 makes sweeping changes to United States copyright law
-Jimmy Carter wins election -
1977
-Jimmy Carter is inaugurated as President -
1978
-- Humphrey Hawkins Full Employment Act signed into law, adjusting the government's economic goals to include full employment, growth in production, price stability, and balance of trade and budget
-The Senate votes to turn the Panama Canal over to Panamanian control on December 31, 1999 -
1979
American Airlines Flight 191 crashes after takeoff from O'Hare International Airport killing all 271 aboard and 2 on the ground, making it the deadliest aviation incident on U.S. soil
-Facing bankruptcy, Chrysler receives government loan guarantees upon the request of CEO Lee Iacocca to help revive the company