1998 (MCMXCVIII) was a common year that started on a Thursday. In the Gregorian calendar, it was the 1998th year of Anno Domini; the 998th year of the 2nd millennium; the 98th year of the 20th century; and the 9th of the 1990s.

The year 1998 was designated International Year of the Ocean by UNESCO.

Read more about 1998:  Births, Nobel Prizes, Templeton Prize, Fields Medal, Setting in Fiction