Ayinger Oktoberfest...$9.99 / 4pk 11.2oz bottles The History of Oktober Fest-Marzen Bavarians have been celebrating the harvest with beer festivals since before the 1400s. Märzen is brewed in March to be ready for the September and October beer festivals. Taste: Rich, golden color. Slightly sweet, malty nose. Medium to big body and alcohol. Soft dryness from long maturation.