National Wine Day

Facts About National Wine Day

• Ancient Chemical Traces Reveal Wine’s Deep History

  Chemical analysis of pottery has shown that humans were fermenting grape wine thousands of years ago, with tartaric acid and other wine-related residues found on vessels from Neolithic sites in China dating to around 7000–6600 BCE and in the South Caucasus (modern Georgia) from about 6000–5800 BCE.

  These residues give scientists one of the clearest ways to distinguish wine from other ancient fermented drinks.

• Georgian Qvevri Winemaking Is Recognized by UNESCO

  In Georgia, wine is traditionally made in large clay vessels called qvevri that are buried in the ground, where grapes ferment and age on their skins and stems.

  This method is so central to Georgian identity that UNESCO has inscribed the “ancient Georgian traditional qvevri wine-making method” on its Representative List of the Intangible Cultural Heritage of Humanity.

• One Species of Grape Dominates Most of the World’s Wine

  Despite the huge variety of wine styles, the vast majority of the world’s fine wines come from a single species, Vitis vinifera, which was domesticated in the Eurasian region thousands of years ago and later spread through trade and colonization to vineyards on every inhabited continent.

  Other grape species exist, but they are mostly used for rootstocks, table grapes, or niche hybrid wines.

• Wine Fermentation Is a Microbial Balancing Act

  Wine is made when yeasts, especially Saccharomyces cerevisiae, convert grape sugars into alcohol and carbon dioxide, but wild fermentations also involve a succession of other yeasts and bacteria that influence aroma, acidity, and texture.

  Modern winemakers often manage this invisible community by choosing specific yeast strains or controlling oxygen and temperature to shape the finished wine’s character.

• Ancient Rome Strictly Policed Women’s Access to Wine

  Roman legal and literary sources describe a time when women’s wine consumption was heavily restricted, with early laws such as the legendary Lex Oppia associated with strict control over women’s luxury and behavior.

  Later Roman writers recount that wives could be divorced, disinherited, or severely punished if suspected of drinking wine, reflecting how closely wine was tied to ideas of social order and morality.

• Moderate Wine Drinking and Heart Disease Risk

  Several large observational studies have found that people who drink small amounts of alcohol, including wine, tend to have lower rates of coronary heart disease than nondrinkers, a pattern sometimes attributed to polyphenols like resveratrol.

  However, major health organizations emphasize that these potential benefits do not outweigh the known risks of alcohol, and they do not recommend beginning to drink for health reasons.

• Why Fine Wine Still Uses Corks While Screw Caps Spread

  For centuries, natural cork from Quercus suber oak trees has been the classic closure for wine bottles because it creates a tight but breathable seal that supports slow aging, yet it can introduce “cork taint” and spoil some wines.

  From the late twentieth century, winemakers increasingly adopted screw caps and synthetic closures to avoid taint and improve consistency, though many traditional regions still favor natural cork for premium, age-worthy wines.