sentences:  Following World War II, as Bulgaria became part of the Eastern Bloc, all breweries were nationalized.Since the democratic reforms in 1989, the Bulgarian beer market has been dominated by some of the world's largest multinational beer companies who privatized the local breweries and produce both locally and internationally branded beer.Numerous beer festivals ("birfest") are organized yearly in the major cities all around the country, for example in Sofia, Plovdiv, Pleven, Gabrovo, Sevlievo, Bansko, Vidin, etc.