25 years ago, concerns arose over the millennium bug threatening to disrupt global computer systems.
Predictions of dire outcomes, including nuclear meltdowns and food shortages, led to public anxiety and precautionary measures.
A tinned meat incident in 1987 illustrated early fears, as it was rejected by Marks & Spencer due to date-related errors.
Despite extensive global spending on remediation estimated at $600 billion, few significant issues occurred when the year 2000 arrived.
Experts argue the international effort was a success even if the actual impact was minimal, with some nations experiencing fewer problems without large expenditures.