The author and their family visited the Anheuser-Busch Brewery in St. Louis, which offers tours of the brewing process. The tour shows the history of Budweiser and how it is made. It takes about a month to complete the full brewing process, which involves 7 stages including milling, mashing, fermentation and lagering. Over 14 million barrels of various beers, including Budweiser, are packaged at the brewery each year. The brewery was founded in the 1860s and has been producing Budweiser using traditional methods since 1876.