The text discusses various beer festivals that take place in Belgium and the United States. The Zythos Bierfestival, BAB-bierfestival, and Belgian Beer Weekend are annual events that showcase a wide variety of Belgian beers. The BXL Beer Fest, organized by the Brussels Beer Project, is scheduled to take place in August 2023 and will feature over 500 beers. The article also mentions the Great American Beer Festival, which started in 1982. The Belgian Brewers' Bash is another event that offers a selection of beers from Belgian breweries.