- Jan 26 President Bill Clinton says "I want to say one thing to the American people; I did not have sexual relations with that woman, Miss Lewinsky"
- Feb 23 Osama bin Laden publishes a fatwa declaring jihad against all Jews and Crusaders.
- Apr 10 The Good Friday/Belfast Agreement for Northern Ireland is signed by the British and Irish goverments
- May 14 Last episode of Seinfeld on NBC (commercials are $2M for 30 seconds)
- May 23 The Good Friday Agreement is accepted in a referendum in Northern Ireland with 75% voting yes.
- Jun 1 European Central Bank is founded in Brussels to define and execute the European Union's monetary policy
- Aug 15 Omagh bombing in Northern Ireland, the worst terrorist incident of The Troubles, kills 29 people and injures about 220
- Aug 17 Monica Lewinsky scandal: US President Bill Clinton admits in taped testimony he had an "improper physical relationship" with the intern and on the same day admits before the nation he "misled people" about the relationship
- Oct 16 Former Chilean dictator General Augusto Pinochet is arrested in London on a Spanish warrant requesting his extradition on murder charges
- Nov 9 Brokerage houses are ordered to pay 1.03 billion USD to NASDAQ investors to compensate for price-fixing - largest civil settlement in US history
Mercedes-Benz buys Chrysler for $40 billion USD and forms DaimlerChrysler in the largest industrial merger in history.
On May 7, 1998
- Jan 1 Marlene Lawston, American child actress
- Jan 12 Nathan Gamble, American child actor
- Feb 14 Arpad Flynn Busson, son of model Elle MacPherson, born in NYC, New York
- Feb 16 Mr Jefferson, Virginia, 1st cloned calf
- Feb 25 Brendon Baerg, American actor