Gumbel

Rise & Shine (Jan. 4): NBC sportscaster Bryant Gumbel, 33, replaces Tom Brokaw as co-anchor of "Today," becoming the morning news show's first black co-host.

Bell Breakup (Jan. 8): American Telephone & Telegraph Co. agrees to divest its 22 Bell Telephone operating systems. The agreement ends an eight-year antitrust suit by the Justice Department that charged AT&T with monopolizing U.S. telephone service.

	Thatcher and President Reagan

No Match (April 2): Gen. Leopoldo Galtieri, the new leader of Argentina's military junta, orders his troops to seize the Falkland Islands. British Prime Minister Margaret Thatcher mobilizes more than 100 ships to retake the south Atlantic islands. Britain loses four warships to air attacks, but Argentina's negligible navy is heavily outgunned. Argentine forces surrender June 14. The junta loses credibility, Galtieri resigns, and the way is paved for a return to civilian government.

	Navratilova

Starting a Streak (July 3): Martina Navratilova beats Chris Evert Lloyd to win the first of six consecutive women's singles tennis championships at Wimbledon.

Tylenol Scare (Oct. 5): Tylenol recalls 264,000 bottles of the pain reliever after seven people die after taking capsules laced with cyanide. The killer is never found.

Promising Transplant (Dec. 2): The first successful artificial heart transplant is completed at the University of Utah Medical Center in Salt Lake City. Barney Clark, 62, will die on March 23, 1983.