Final answer:
The provided information does not specify which country has declared wine as its national beverage. Wine has been a significant aspect of various cultures historically, but there is no direct answer to the question in the reference provided.
Step-by-step explanation:
The country that has officially declared wine as its "national beverage" is not specified in the provided information. However, considering wine's cultural significance, countries like France or Italy may come to mind due to their well-known wine traditions and industries, though they have not officially declared it as such. The information does illustrate the importance and centrality of wine in various societies throughout history, from ancient civilizations valuing moderation to the impact of immigration and religious prohibition on alcohol consumption practices.