Doomsday 2000, term coined by Canadian computer consultant Peter de Jager in 1993 to describe the operational and financial impact of a defect of contemporary computer hardware and software, known as the Year 2000 problem, that caused computer programs to incorrectly perform arithmetic or logic operations involving a date beyond Dec. 31, 1999. In the late 1990s corporations and governments spent millions of dollars and thousands of hours to correct the problem and avert the potential consequences.
"Doomsday 2000." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (September 19, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/doomsday-2000
"Doomsday 2000." The Columbia Encyclopedia, 6th ed.. . Retrieved September 19, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/doomsday-2000