National Beer Lovers Day is celebrated worldwide every year on September 7. This unofficial holiday honors beer, one of the oldest alcoholic beverages, and the people who brew and enjoy it. Beer is produced through the brewing and fermentation of starch sources, primarily cereal grains like malted barley, wheat, and corn, along with water, yeast, and hops. On this day, enthusiasts can partake in various activities such as going on pub crawls, booking brewery tours, sampling local craft beers, or even trying their hand at brewing beer at home. Other creative ways to celebrate include cooking with beer, enjoying beer ice cream, and participating in pub quizzes. Social sharing is encouraged, with participants using hashtags like #BeerLoversDay and #NationalBeerLoversDay to promote the holiday.