When did the French confectioner Nicolas Appert invent canned can?

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When did the French confectioner Nicolas Appert invent canned can?

Answer

The canned can was invented in 1795 by the French confectioner Nicolas Appert (1749-1841). He used glass containers, such as champagne bottles with widened necks. The process met with moderate success and was gradually introduced in other European countries and then in America, after Nicolas Appert published his discovery in 1810.