- 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 governments
- 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
- Sep 15 Google.com is registered as a domain name
- Oct 16 Former Chilean dictator General Augusto Pinochet is arrested in London on a Spanish warrant requesting his extradition on murder charges
Elton John knighted by Queen Elizabeth II at Buckingham Palace in London
On February 24, 1998
- Jan 1 Marlene Lawston, American child actress
- Jan 12 Nathan Gamble, American child actor
- Jan 22 Silentó [Ricky Hawk] American rapper "Watch Me (Whip/Nae Nae)", born in Atlanta, Georgia
- Jan 28 Ariel Winter, American actress (Modern Family) and singer, born in Los Angeles, California
- Feb 14 Arpad Flynn Busson, son of model Elle MacPherson, born in NYC, New York
En route Adana to Ankara, Turkish Airlines flight with crew of 6 and 33 passengers hijacked by Kurdish militant, orders pilot fly to Switzerland. Pilot lands in Ankara tricking hijacker he was landing in Sofia to refuel.
On October 29, 1998