The “Cellar of the Sea” program launched in 2014, in which a batch of Veuve Clicquot was placed in a cellar in Reims, France and submerged 131 feet below the surface of the Baltic Sea.

In 1772, Philippe Clicquot, a textile merchant in Reims, France, inherited four hectares of vines and founded the champagne house that would later become Veuve Clicquot. That same year, the company ...