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Events on Tuesday 1 December 1998 1
1998Exxon and Mobil announce mergerDeal creates the world's largest oil companyExxon and Mobil announced on 1 December 1998 an $81 billion merger to reunite two of the companies descended from the 1911 breakup of Standard Oil. The deal, completed in November 1999, created ExxonMobil, the world's largest publicly traded oil company.